日期:2022-12-03 00:00:00
1、My doctor said I should vary my diet more
2、The book took ten years of thorough research
3、A number of theories have been proposed to explain the situation
4、They converted the spare bedroom into an office.
5、Things have changed a lot since I was a child
6、Daniel took photos of the Nile River.
7、The horses didn’t come near the car.
8、"This last year has been amazing," Denise continues. "Last month was Paris, before that we were recording at Aadfdsey Road, in London, and. recently we had our album launch at the Royal Opera House.. "We've been treated like princesses," laughs Jane. "...champagne, chocolates, five-star hotels ..."
9、But it wasn't all so easy. For Denise, the worst part was waiting at the beginning. "After l'd sent in my application form I worried for a month. Then I had to wait ten days after my first audition(试唱). That was awful." Even when they won the competition they were allowed to tell their close family but they weren't allowed to tell anyone else until later. Denise and Jane also found the travelling difficult. They couldn/t take their children
10、What does "this is no longer the case" in paragraph 2 mean?
11、How do most men feelin their marriage life?
12、A. but B. although C. however D.and
13、A. scientific B. common C. technical D. average
14、A. pretty B. simple C.brief D. easy
15、A. market B. film C. book D. city
16、A. admit B. avoid C. assure D. affect
17、答案:D . depended on—relied on
18、答案:C.short---brief
19、答案:B.careful ---thorough
20、答案:C.aim—goal
21、Paragraph 1 D
22、Being celebrities, Denise and Jane had to'Iearn to C
23、Mr. Kazi became the manager of a newrestaurant because
24、C. new possibilities will soon appear.
25、E Then begins the world's biggest food fifht.
26、D They bring him back to town, put a crown on his head, and make hime king for three days.
27、F That is supposed to be Toothache Day.
28、C At
29、B who
30、B avoid
2017年全国职称英语考试真题 30句菁华扩展阅读
2017年全国职称英语考试真题 30句菁华(扩展1)
——职称英语考试高频词 60句菁华
1、in accordance with (=in agreement with) 依照,根据
2、(=at one’s own risk) 自行负责
3、(=by oneself) 依靠自己
4、accuse...of... (=charge...with; blame sb. for sth.; blame sth. on sb.; complain about) 指控,控告
5、be acquainted with (=to have knowledge of)了解; (=to have met socially) 熟悉
6、by accident (=by chance, accidentally) 偶然地,意外。 Without accident (=safely) 安全地
7、of one’s own accord ( =without being asked; willingly; freely) 自愿地,主动地
8、in addition (=besides) 此外,又,加之
9、ahead of 在……之前,超过……,……ahead of time 提前
10、answer to (=conform to) 适合,符合
11、attribute...to... (=to believe sth. to be the result of...) 把……归因于……,认为……是……的结果
12、in the back of 在……后部(里面);on the back of 在……后部(外面);be on one’s back (=be ill in bed) 卧病不起。
13、at one’s back (=supporting or favoring sb.) 支持,维护;have sb. at one’s back 有……支持,有……作后台
14、arise from (=be caused by) 由……引起
15、benefit (from) 受益,得到好处。
16、in blossom 开花(指树木)be in blossom 开花(强调状态)come into blossom 开花(强调动作)
17、buy sth. for...money 用多少钱买
18、be certain of (=be sure of) 有把握,一定。
19、for a change 换换环境(花样等)
20、charge...for 因……索取(费用)
21、com* with (=act in accordance with a demand, order, rule etc.) 遵守,依从
22、confidence in sb./sth. 对……的信赖
23、be confident of 有信心
24、confirm sb. in 使某人更坚定(信念等)
25、be confronted with (=be brought face to face with) 面对,面临
26、congratulate sb. on 祝贺
27、in connection with (=with regard to) 关于
28、take...into consideration (=take account of, take...into account) 考虑到,把……考虑进去
29、consult sb. on/ about sth. 向……征求……方面的意见,就……向……请教
30、be content with (=be satisfied with ) 满足于 be content to do sth. 愿意做某事
31、on the contrary 相反
32、correspond to 相当于 correspond with 符合,一致
33、in due course (=without to much delay) 没经过太久,到一定时候
34、on the decline 在衰退中,在减少中 in decline 下降;on the increase 在增加
35、on a diet 吃某种特殊饮食,节食
36、distinguish...from 把……与……区别开
37、have...to do with 与……有关系
38、at (one’s) ease ( = without worry or nervousness) 自在,不拘束
39、put sb. at his / her ease (=free sb. from worry or nervousness) 使某人感到无拘束
40、economize on (=save sth. instead of being wasteful) 节省
41、give effect to (=carry out) 实行,使……生效
42、(be) of no effect (=useless) 无效
43、to that effect是那个意思的……
44、encourage sb. in 鼓励;encourage sb. in his/her work 鼓励某人工作;encourage sb. in his/her idleness 怂恿某人游手好闲
45、on end (=continuously) 连续地
46、end in 以……为结束
47、engage in 或be engaged in 忙于,从事
48、be/ feel equal to (=have enough strength, ability etc.) (某人)能胜任,能应付
49、in any event (=whatever happens in the future) 无论如何,不管(将来)怎么样
50、(an) exception to ……的例外
51、exchange...for以……交换
52、be exposed to...面临……,受到……
53、to...extent在……程度上
54、keep an eye on (=keep a watch on)照看,监视
55、lose faith in对……失去信心
56、faithful to (=loyal to)对……忠诚
57、fall into the habit (of)养成……习惯
58、fall short of (=fail to reach a desired result, standard, etc.)没达到,低于
59、选A的情况:如果某题干与原文信息完全一致或基本一致
60、选B的情况:如果某题干与原文信息完全相反
2017年全国职称英语考试真题 30句菁华(扩展2)
——职称英语考试高频词 50句菁华
1、take... into account (=consider) 把……考虑进去
2、give sb. an account of 说明,解释(理由)
3、be acquainted with (=to have knowledge of)了解; (=to have met socially) 熟悉
4、abide by (=be faithful to; obey) 忠于;遵守
5、absence or mind (=being absent-minded) 心不在焉
6、adapt oneself to (=adjust oneself to) 使自己适应于
7、to advantage 有利的,使优点更加突出地
8、after all 毕竟,到底;(not) at all 一点也不;all at once (=suddenly) 突然;once and for all 只此一次;above all 最重要的;first of all 首先;all in all 大体上说;be all in 累极了;all but 几乎
9、be anxious about 为……焦急不安;或anxious for
10、on the average (=on average, on an average) *均
11、approve of (=consent to, be in favor of, favor, agree to, consider good, right) 赞成,approve vt. 批准
12、arrange for sb./sth. to do sth. 安排……做……
13、assure sb. of sth. (=try to cause to believe or trust in sth.) 向……保证,使……确信
14、make an attempt at doing sth. (to do sth.)试图做……
15、begin with 以……开始。to begin with (=first of all) 首先,第一(经常用于开始语)
16、believe in (=have faith or trust in; consider sth./sb. to be true) 相信,依赖,信仰
17、benefit (from) 受益,得到好处。
18、for the benefit of 为了……的利益(好处)
19、but for (=without) 要不是。表示假设
20、in case (=for fear that) 万一
21、in case of (=in the event of) 如果发生……万一
22、charge...for 因……索取(费用)
23、compare...to... 把……比作……
24、be confident of 有信心
25、be confronted with (=be brought face to face with) 面对,面临
26、be conscious of (=be aware of ) 觉察,知道
27、consent to (=give agreement to permission) 同意
28、in consideration of (=in return for, on account of, because of ) 由于
29、in contrast to/with 和……形成对比 by contrast 对比之下
30、out of date 过时的;up to date 新式的,时兴的;date back to 可追溯到;date from 从某时刚开始(有)
31、deal with (=concern) 论及
32、discharge sb. (from)...for (=dismiss sb. from a job for) 因……解雇,开除
33、fall back (=retreat, turn back) 撤退;in disorder慌乱地,狼狈不堪
34、in dis* 在争议中
35、have...to do with 与……有关系
36、in doubt (=in a condition of uncertainty ) 对……表示疑惑
37、be in effect (=be in operation) 有效
38、encourage sb. in 鼓励;encourage sb. in his/her work 鼓励某人工作;encourage sb. in his/her idleness 怂恿某人游手好闲
39、(an) exception to ……的例外
40、in excess of (=more than)超过
41、close (shut) one’s eyes to不理会,视而不见
42、in the twinkling of an eye一眨眼,转眼间
43、in the eyes of in one’s eyes (= in the judgment of)在某人看来,在某人眼里
44、on the face of it (=judging by what one can see)表面看来
45、in one’s face当着某人的面;face to faced面对面;face up to大胆面向
46、fail in (=be unsuccessful in)失败
47、in good faith (=honestly,sincerely)真诚地
48、faithful to (=loyal to)对……忠诚
49、far from远远不是
50、选C的情况:如果某题干部分或局部信息在原文中未提到
2017年全国职称英语考试真题 30句菁华(扩展3)
——高考英语全国3卷真题解析 40句菁华
1、Which number should you call if you want to see an opera?
2、When can you go to a concert by Chamber Orchestra?
3、How is Riverbend Music Theater different from the other places?
4、C
5、D
6、What can we learn about Decio?
7、D细节理解题。根据第二段“Visiting an apple event is a good chance to see, and often taste, a wide variety of apples.”可知,参加相关的庆祝活动的人们可以品尝各种各样的苹果,故选D。
8、C推理判断题。故选C。
9、B细节理解题。根据第三段“articles in the science section were much more likely to make the list than non-science articles”可知,科技类的文章比非科技类的更有可能被人们讨论,故选B。
10、G
11、F
12、A考查上下文串联。根据前一句“Any fishy or strong smell means the fish isn’t fresh.”可知,带有强烈的味道的鱼都不是新鲜的,不应该买这样的鱼,A项与后句联系紧密,故选A。
13、B考查上下文串联。根据“Put the whole fish on a plate and steam it in a steam pot”可知,本段介绍的是蒸鱼的方法,故选B。
14、A. heering for B.beating out C. relying on D.staying with
15、A.coach B.student C. teacher D.player
16、A.practice B. show C. comfort D.pleasure
17、A. pale B. calm C. relaxed D.ashamed
18、A. held B. broke C. set D.tried
19、A. decision B. mistake C.accident D.sacrifice
20、A.stuck B. hurt C. tried D.lost
21、A.let B. helped C. had D.noticed
22、A.healthier B. bigger C. cleverer D.cooler
23、A考查副词辨析。A.fine够好,可接受;B. wrong错误地;C. quickly迅速;D. normally正常。Miller认为作者表现得很好,故选A。
24、C考查代词辨析。A. us我们;B. yourself 你自己; C. me我;D. them他们。Miller感谢作者填补了他的空缺,故选C。
25、D考查动词辨析。A. challenged挑战;B. cured治愈;C. invited邀请;D. admired敬佩,赞赏,欣赏。I was right to have 39 him.作者认为自己敬佩Miller没有做错,故选D。
26、be made
27、gradually
28、with
29、using考查现在分词作伴随状语。人们可能使用大锅煮食物,用树枝把锅移开,use的逻辑主语是people,两者是主动关系,用现在分词表示伴随状况,故填using。
30、development考查词性转换。the+名词+of,意为“……的……”,这里指“筷子的发展”,故填development。
31、词汇转换题解题技巧
32、只允许修改10处,多者(从第11处起)不计分。
33、freely—free
34、I ∧need
35、the去掉考查冠词。at first起初,是固定词组,不需要冠词,故把the去掉。
36、yourself—myself考查反身代词。句意:我认为我什么都知道,可以自己拿主意了。这里指作者自己做决定,根据主语I可知,应该用myself,故把yourself改为mmyself。
37、such—so考查so/such的用法。 my parents didn’t seem to think so我的父母似乎不这样认为,so指代上一句的内容,故把such改为so。
38、tell—told考查时态。通篇回忆过去的事情,使用的一般过去时,故把tell改为told。
39、freely—free考查形容词副词。be后跟形容词构成系表结构,be free from...摆脱......,不受......的影响,故把freely改为free。
40、说明原因;
2017年全国职称英语考试真题 30句菁华(扩展4)
——公共英语一级口语考试经典句子 40句菁华
1、Are you a student? You are a student, aren’t you? 2. Do you study?
2、Why do you like it? Because it’s very interesting. / Because I enjoy it very much.
3、What do you do? / What’s your job?
4、Which subjects are you good at?
5、Which subject is the most difficult? Why? I think physics is the most difficult, because I often don’t do well in physics exams.
6、What’s your name, please?
7、I’m Li Ming.
8、Can/Could/Will/Would you tell me/us your age, please?
9、No, I’m not from Beijing. I’m from Shanghai.
10、Who usually does the cooking in your family? My mother usually does the cooking. My father seldom does.
11、Who usually does the housework in your family? Both my father and my mother do the housework.
12、When do you usually get up in the morning?
13、When do you come back home in the evening?
14、When do you have supper?
15、本地的考生
16、It‘s a fine day。 今天是个好天。
17、What time is it? 几点了?
18、Control yourself! 克制一下!
19、He lacks courage. 他缺乏勇气。
20、I like ice-cream. 我喜欢吃冰淇淋。
21、I‘ll try my best. 我尽力而为。
22、No pain,no gain. 不劳无获。
23、Well,it depends 噢,这得看情况。
24、You have my word. 我保证。
25、Believe it or not! 信不信由你!
26、Don‘t let me down. 别让我失望。
27、Easy come easy go. 来得轻易,去得快。
28、I beg your pardon. 请你原谅。
29、Its Sunday today. 今天是星期天。
30、Make up your mind. 做个决定吧。
31、That‘s all I need. 我就要这些。
32、The view is great. 景色多么漂亮!
33、I dig songs and I like pop music very much.我特别喜欢歌曲和流行音乐。
34、Id like to pick sea shells this afternoon.今天下午我想去捡贝壳。
35、He bothered me with a great many questions.他对我提了一大堆问题,真烦!
36、John seldom gets together with his friends.约翰很少与朋友聚在一起。
37、Many people have been out of work recently.最近有许多人失业。
38、She runs everyday in order to lose weight.她每天都跑步是为了减肥。
39、I am told that you dance wonderfully well.我听说你的舞跳得特棒。
40、Its only a party in honor of my birthday.这只是为了庆祝我的生日而举行的晚会。
2017年全国职称英语考试真题 30句菁华(扩展5)
——2017最新四年级下册数学应用题 30句菁华
1、一瓶饮料共4升,用容量150毫升的塑料杯连倒了22 杯,饮料瓶中还剩下多少毫升饮料?
2、某小学有女生360人,男生比女生的2倍少160人,全校有学生多少人?(两种方法解答)
3、用一根长32厘米的铁丝做一个长方形,如果长和宽都是整厘米数,可以有多少种做法?列表写出所有的情况,并找出面积最大是多少,最小是多少?你发现了什么?
4、小明的爸爸有两套西装,三条领带,今天他到公司开会,穿一套西装打一条领带,有几种搭配方法?
5、张老师从南京到上海,必须在镇江停留1天,从南京到镇江,坐火车有3个班次,坐汽车有2个班次,从镇 江到上海坐火车也有3个班次,坐汽车有4个班次。
6、一列旅客列车在南京、北京之间往返行驶,中间停靠徐州、济南、天津,(每两个城市之间的千米数都不相同),铁路局要设定多少种票价?要印制多少种火车票?
7、*每小时加工零件49个,张师傅每小时加工零件54个,两人各做8小时,*比张师傅少做多少个?
8、学校举行运动会,三年级有45人参加,四年级参加的人数是三年级的3倍,五年级参加的人数比三、四年级参加的总人数还多15人。五年级参加比赛的有多少人?
9、某校各年级的少先队员的人数如下:一年级没有,二年级36人,三年级97人,四年级185人,五年级254人,六年级238人。全校*均每个年级有少先队员多少人?
10、某小学的同学修理桌椅用了40.5元,装订图书比修理桌椅少用了3.7元。修理桌椅和装订图书一共用了多少元?
11、地球表面积是5.1亿*方千米,其中陆地面积1.49亿*方千米,海洋面积比陆地面积多多少亿*方千米?
12、王村要修一条长1200米的水渠,已经修了10天,还有480米没有修。*均每天修多少米?
13、运一堆煤,第一天运了,比第二天多运,还剩几分之几没有运?
14、甲港到乙港的航程有210千米,一艘轮船运货从甲港到乙港,用了6小时,返回时每小时比去时多行7千米,返回时用了几小时?
15、甲乙两地相距420千米,一辆汽车从甲地到乙地计划用7小时到达,实际每小时行了70千米。实际比计划提前了几小时到达?
16、图书室有故事书98本,今天借出46本,还回25本。现在图书室有故事书多少本?
17、爸爸带小明去滑雪,乘缆车上山用了4分钟,缆车每分钟行200米。滑雪下山用了20分钟,每分钟行70米。滑雪比乘缆车多行多少米?
18、地球表面积是5.1亿*方千米,其中陆地面积是1.49亿*方千米。海洋面积比陆地面积多多少亿*方千米?
19、一个足球48.30元,一个篮球54.20元,王老师用150元买足球、篮球各一个,应找回多少元?
20、鸡兔同笼,共有16个头,42只脚。笼中各有多少只鸡兔?
21、鸡兔同笼,头共35个,脚共94只,求鸡与兔各有多少个头?
22、师徒二人同时生产一批机器零件,6小时完成,师父生产了336个,徒弟生产了288个,*均每小时师父比徒弟多生产多少个?
23、同学们做早操。21个同学排成一排,每相邻两个同学之间的距离相等,第一个人到最后一个人的距离是40米,相邻两个人之间相隔多少米?
24、在圆形的水池边,每隔3米种一棵树,共种树60棵,这个水池的周长是多少米?
25、在一块长80米,宽60米的长方形地的周围种树,每隔4米种一棵,一共要种多少棵?
26、某车间要生产电视机1560台,已经生产了8天,每天生产120台,剩下的每天生产150台,还要几天才能完成任务?
27、一个服装车间原来做一套服装用布48分米,改用新法裁剪,每套可节约用布3分米,原来计划做3000套服装的布,现在可以多做几套?
28、食堂运来1200千克煤,烧了16天,还剩480千克。*均每天烧多少千克?
29、一个养禽专业户,养鸭890只,养鸡的只数是养鸭的3倍少15只。那么,这个养禽专业户养鸭和鸡共多少只?
30、小华有邮票84张,小荣的邮票比小华多18张,小梅的邮票是小荣的2倍少41张,小梅有邮票多少张?
2017年全国职称英语考试真题 30句菁华(扩展6)
——中考英语词汇运用题练习 30句菁华
1、The Huanghe River is one of _______________(long)___________(river) in the world.
2、He _______________(look) out of the window when the teacher________(call) him.
3、____________(thousand) of people took an active part in the battle against SARS in 2003.
4、Tom is a _________(fun) boy. He always makes us laugh.
5、Finally, it is possible_____________(look) up new words in an online dictionary.
6、Do not try__________(run) out of the building.
7、Beijing is one of his favorite____________(city).
8、When he was eight, his father asked a music teacher__________(teach) him_________(play) the piano.
9、At the age of four, he started____________(take) music lessons.
10、It’s easy to get___________(start).
11、He was surprised_____________(find) that it was delicious.
12、He thinks _________(smoke) can help him relax.
13、Our teachers suggest__________(go) to bed early every day.
14、I did my best and was the first____________(cross) the finish line.
15、Our teachers and parents all wish us___________(study) hard.
16、It is a game___________(play) on grass by two teams of eleven players. I’ll make_________(friend) with Tom.
17、Everyone was very_________ to watch the __________(excite) sports meet. He can’t watch TV until he finishes _________(do) his homework.
18、A number of_________(student)__________(like) reading newspapers.
19、She is good at __________(jump). She is going to join in the high jump. Walking is a good way____________(keep) fit.
20、He does well in___________(play) tennis.
21、Friends are helpful to us and we should learn_____________(share) our happiness with them.
22、My father is thinking about__________(buy) a bigger house.
23、___________(stay) under the table or bed is safer when an earthquake happens. In a big city, there are lots of tall___________(build) and cars.
24、_____________(hear) the good news, the whole country were excited. The passage is too difficult for me____________(answer).
25、Which was_________________(serious) earthquake in China?
26、Sorry. I forgot_________________(turn) off the light when i left.
27、I often read some_____________(interest) books on the Internet.
28、Mr. King saw his son___________(play) com*r games when he came back home.
29、The number of the students______(be) 556.
30、We are very glad__________(see) you again.
2017年全国职称英语考试真题 30句菁华(扩展7)
——五年级上册常考的88道奥数题 30句菁华
1、(101+103+……+199)-(90+92+……+188)
2、9039030÷43043
3、甲乙两个水管单独开,注满一池水,分别需要20小时,16小时.丙水管单独开,排一池水要10小时,若水池没水,同时打开甲乙两水管,5小时后,再打开排水管丙,问水池注满还需要多少小时?
4、两个整数相除,商是4,余数是8。已知被除数比除数大59,求被除数。
5、两根铁丝分别长65米和91米,用一根木尺分别去丈量它们,都恰好量完而无剩余。这根木尺最多有多长?
6、某质数加6或减6得到的数仍是质数,在50以内你能找出几个这样的质数?并将它们写出来。
7、一袋糖不足60块,如果把它*均分给几个孩子,则每人恰好分得6块;如果只分给这几个孩子中的'男孩,则每个男孩恰好分得10块。这几个孩子中有几个女孩?
8、某公共汽车站有三条线路的公共汽车,分别每隔5,6和8分钟发车一次。三条线路在同一时间发车后,再过多少时间又同时发车?
9、文化补习班的教材不够,暂时每两人用一本语文课本,每三人用一本数学课本,每四人用一本外语课本,全班共用了91本课本。问:全班有多少人?
10、有一篮子鸡蛋,按每四个一堆分多一个,按每五个一堆分也多一个,按每六个一堆分还是多一个,这篮鸡蛋至少有多少个?
11、有一种电子钟,每到正点响一次铃,每过九分钟亮一次灯。如果中午12点整它既响铃又亮灯,那么下一次既响铃又亮灯是什么时间?
12、有七个排成一列的数,它们的*均数是30,前三个数的*均数是28,后五个数的*均数是33。求第三个数。
13、小明上学期语文得78分,地理得82分,历史得80分,物理得60分。又知数学成绩比*均分多12分,外语成绩比*均分少4分。小明上学期这六科的*均成绩是多少分?
14、小明给班里买了甲、乙两种电影票共50张,甲票每张2元,乙票每张1.4元,共花了78.4元,问:买甲票花的钱是买乙票花的钱的几分之几?
15、蜘蛛有8条腿,蜻蜓有6条腿和2对翅膀,蝉有6条腿和1对翅膀。现有这三种小虫16只,共有110条腿和14对翅膀。问:每种小虫各几只?
16、某人要到高层建筑的10层去,他从1层走到5层用了100秒,如果用同样的速度走到10层,则还需要多少秒?
17、甲、乙二人比赛爬楼梯,甲跑到4层时,乙恰好跑到3层,照这样计算,甲跑到16层时,飞跑到几层?
18、甲、乙二人分别从A,B两地同时出发,若两人同向而行,则甲26分赶上乙;若两人相向而行,则6分可相遇。已知乙每分行50米,求A,B两地的距离。
19、一项工程,第一天甲做,第二天乙做,第三天甲做,第四天乙做,这样交替轮流做,那么恰好用整数天完工;如果第一天乙做,第二天甲做,第三天乙做,第四天甲做,这样交替轮流做,那么完工时间要比前一种多半天。已知乙单独做这项工程需17天完成,甲单独做这项工程要多少天完成?
20、A和B是小于100的两个非零的不同自然数。求A+B分之A-B的最小值...
21、把一个两位数的个位数字与十位数字交换后得到一个新数,它与原数相加,和恰好是某自然数的*方,这个和是多少?
22、有一个两位数,如果用它去除以个位数字,商为9余数为6,如果用这个两位数除以个位数字与十位数字之和,则商为5余数为3,求这个两位数。
23、快车和慢车同时从甲乙两地相对开出,快车每小时行33千米,相遇是已行了全程的七分之四,已知慢车行完全程需要8小时,求甲乙两地的路程。
24、小华从甲地到乙地,3分之1骑车,3分之2乘车;从乙地返回甲地,5分之3骑车,5分之2乘车,结果慢了半小时.已知,骑车每小时12千米,乘车每小时30千米,问:甲乙两地相距多少千米?
25、在一个600米的环形跑道上,兄弟两人同时从同一个起点按顺时针方向跑步,两人每隔12分钟相遇一次,若两个人速度不变,还是在原来出发点同时出发,哥哥改为按逆时针方向跑,则两人每隔4分钟相遇一次,两人跑一圈各要多少分钟?
26、在300米长的.环形跑道上,甲乙两个人同时同向并排起跑,甲*均速度是每秒5米,乙*均速度是每秒4.4米,两人起跑后的第一次相遇在起跑线前几米?
27、一个人在铁道边,听见远处传来的火车汽笛声后,在经过57秒火车经过她前面,已知火车鸣笛时离他1360米,(轨道是直的),声音每秒传340米,求火车的速度(得出保留整数)
28、甲乙两人在河边钓鱼,甲钓了三条,乙钓了两条,正准备吃,有一个人请求跟他们一起吃,于是三人将五条鱼*分了,为了表示感谢,过路人留下10元,甲、乙怎么分?
29、一个圆柱的底面周长减少25%,要使体积增加1/3,现在的高和原来的高度比是多少?
30、某市举行小学数学竞赛,结果不低于80分的人数比80分以下的人数的4倍还多2人,及格的人数比不低于80分的人数多22人,恰是不及格人数的6倍,求参赛的总人数?
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