15.在研究微型电动机的性能时.可采用右图所示的实验电路.当调节滑动变阻器R. 使电动机停止转动时.电流表和电压表的示数分别为0.5 A和1.0 V, 重新调节R.使电动机恢复正常运转时.电流表和电压表的示数分别 为2.0A和15.0V.贝0有关这台电动机正常运转时的说法正确的是 A.电动机的输出功率为8 w B.电动机的输出功率为30 W C.电动机的内电阻为2 Q D.电动机的内电阻为7.5 Q 16.三个速度大小不同而质量相同的一价离子.从长方形区 域的匀强磁场上边缘平行于磁场边界射入磁场.它们从下边缘 飞出时的速度方向见右图.以下判断正确的是 A.三个离子均带负电 B.三个离子均带正电 C.离子1在磁场中运动的轨道半径最大 D.离子3在磁场中运动的时间最长 17.一列向右传播的简谐横波在某一时刻的波形如图所示.该时刻.两个质量相同的质点P.Q到平衡位置的距离相等.关于P.Q两个质点.以下说法正确的是 A.P较Q先回到平衡位置 B.再经丢周期.两个质点到平衡位置的距离相等 C.两个质点在任意时刻的动量相同 D.两个质点在任意时刻的加速度相同 查看更多

 

题目列表(包括答案和解析)

根据所给汉语提示,完成下列句子。

82.多亏了袁博士的研究,联合国在消除世界饥饿的战役中又多了些方法。

                       ,the UN has more tools in the battle to rid the world of hunger.

83.在感到沮丧的时候,卓别林可以使他们开怀大笑,于是人们就对自己的生活感到比较满足。

       Charlie Chaplin made people laugh at a time when they feel depressed, so they could

                                         .

84.但总的来说,在当今文化交融的世界,学习不同国家的习俗肯定能帮助我们避免交往中的困难。

       In general, though, ___________________ can certainly help avoid difficulties in today's world of cultural crossroads!

85.这些让人惊讶的最新的消息加上大量动手实中学习的机会,让世界以一种全新的方式展现在游人面前。

       The amazing, up-to-date information together with many opportunities for hands-on learning        ___________________ in a completely new way for visitors.

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阅读下列各小题,根据括号内的汉语提示,用句末括号内的英语单词完成句子,并将答案写在答题卡上的相应题号后。

1.______ is that the earth travels around the sun and the moon moves round the earth.(what)

我们都知道地球围绕着太阳转,月亮围绕着地球转。 

2.The administration of the government ______ that once caught playing games or shopping on line in the office,the civil servant must be fired at once without any reason.(make)

政府行政部门已经制定规矩:一旦被发现在办公室玩游戏或网购,该公务员必须毫无理由地立即被解雇。

3.Much to her relief,the research ______ in the past 20 years proved to be a great success and earned her many awards.(devote)

使她非常宽慰的是,在过去的20年中她全心全意所投入的研究证明是巨大的成功并且使她赢得了许多奖励。

4.So excited ______ that he couldn't speak when he heard the good news.(get)

当他听到这个好消息的时候,他变得如此激动以致于说不出话来。

5.______,as long as I am with nature,I don't care.(however)

无论旅行是多么艰辛,只要我和大自然在一起,我都不在乎。

6.Unless properly ______ right away, this kind of disease will spread throughout the country very soon.(deal)

如果这种疾病不及时合理地处理, 这种疾病会很快蔓延全国。

7.Many college students urged that the stadium ______ duing the summer vacation to the public.(keep)

许多大学生极力主张暑假期间体育馆保持对外开放。

8.With no one else ______ in such a stormy night,,the middle-aged woman had no choice but to dial 119 to seek for the help of the police.(turn)

在这样一个暴风雨的晚上,这位中年妇女由于没有其他人可以借求助,所以她拨打119来寻求警察的帮助。

9.The farmer-worker with the baby in her hand hurried to the train station, ______ the train had gone two minutes ago.(only)

手抱着婴儿的那个农民工急匆匆地赶到火车站,却被告知火车五分钟之前已离开了。

10.It was ______ that he came to know how much time he had wasted in the school before.(until)

正是直到他开始工作时他才知道以前在学校浪费了多少时间。

 

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袁隆平是我国杂交水稻研究创始人,著名农业科学家。请你用英语写一篇短文,简介其事迹。内容要点如下:
1. 出生于1930年9月。
2. 1953年大学毕业。1964年开始研究杂交水稻。
3. 2000年实现超级稻目标。目前有20多个国家采用杂交水稻种植。
4. 被誉为 “father of hybrid rice”和“the man who puts an end to hunger”,曾荣获多项国家和国际奖项。
5.业余爱好广泛,喜欢阅读,听音乐,游泳,打麻将等。
6.梦想:在联合国粮农组织的帮助下推广杂交水稻技术,让世界摆脱饥饿。
参考词汇:

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课文填空(共20空,每空0.5分,总分10分)

1.___________ her mother came to help her for the first few months _____ she _____ to begin her project.

她母亲头几个月来帮她的忙,这才使她得以开始自己的计划。

2.For forty years Jane Goodall has been _________ about making the rest of the world understand and _______ the life of these animals.

40年来,简·古道尔一直在呼吁世人了解并尊重这些动物的生活。

3.She has ______ that wild animals should be left in the wild and not used for ______________ or advertisements.

她主张应该让野生动物留在野外生活,而不能用于娱乐或广告。

4.___________ his research, the UN has more tools in the battle to _____ the world ______ hunger.

多亏了他的研究,联合国在消除世界饥饿的战斗中又多了些方法。

5.Yuan Longping is quite ________ with his life. However, he doesn’t care about ______________.

袁隆平很满意自己的生活。但他对自己的成名并不关心。

6.This ________ was a social _______ but was loved for his optimism and determination to ________ all difficulties.

这个角色是个社会中的失败者,但是他的乐观精神和战胜困难的决心使得他深受(观众的)喜爱。

7.Charlie Chaplin worte, _________, and produced the ilms he _________ in.

卓别林自编、自导、自制他主演的电影。

 

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Ⅵ。完成句子(共10小题;每小题1.5分,满分15分)

阅读下列各小题,根据括号内的汉语提示,用句末括号内的英语单词完成句子,并将答案写在答题卡上的相应题号后。

81.The Dragon Boat Festival __________(举办)to honor the famous ancient poet ,QuYuan.(hold)

82.When I glanced out of the window I saw Daisy __________(正在过马路). (cross)

83.Unfortunately , when I woke up , I found myself ____________(吹到了海上)by a strong wind .(carry)

84.__________________________(生命是否将继续) on the earth for millions of years to come will depend on whether this problem can be solved.(continue)

85.Canada, ____________________(第二大的国家)in the world covers 5,500kilometers from coast to coast .(which)

86.Only when you get to South Africa_____________(你才能体会到)the atmosphere of the          2010World Cup. (experience)

87.____________(多亏他的研究),the UN has more tools in the battle to rid the world of hunger .(thanks)

88.Every possible means _____________(已经使用了) to prevent the air pollution, but the sky is still not clear. (use)

89.People from Spain, Italy ___________________(更有可能)touch each other than English people when they meet for the first time. (likely)

90. With a cell phone,we can always stay in touch with friends and family___________________(无论我们在那里).(where)

 

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