内容正文:
默写练习三 单元回扣复习
Ⅰ.重点单词(共30空;每空1.5分,满分45分)
1.bother vt.使烦恼,使担心;花费时间精力(做某事);打扰 vi.花费时间精力(做某事) n.麻烦,困难
2.mission n.任务;使命,天职;军事行动;太空飞行任务
3.vital adj.必不可少的,对……极重要的;维持生命所必需的
4.leisure n.闲暇,空闲
5.crucial adj.至关重要的,关键性的
6.merely adv.仅仅,只不过
7.shelter n.居住,住处;庇护 vt.保护,掩蔽 vi.躲避
8.absence n.缺乏,不存在;缺席→absent adj.缺席的;不在的;走神的
9.occupy vt.占用,使用;居住;占领,侵占;使忙于→occupied adj.有人使用的;忙于……的;被占领的→occupation n.占领;职业
10.evaluate vt.评估,估计,评价→evaluation n.评价;评估
11.exposure n.面临,遭受;揭露;报道→exposed adj.无遮蔽的;无保护的;易受攻击的→expose vt.使接触;使体验;显露;使暴露于(险境)
12.foundation n.基础,根据;地基;创办;基金会→found vt.创建;建立;把……建立在→founder n.创建者;创始人
13.origin n.起源,起因;出身→originate vi.& vt.起源;发源;创立→original adj.起初的;独创的;原作的→originally adv.起初;原来
14.frequency n.发生率,出现率;频繁;频率→frequent adj.频繁的,经常的→frequently adv.频繁地,经常
15.assistant n.助理;售货员;助教 adj.助理的,副的→assist vt.帮助;协助→assistance n.帮助;协助;援助
Ⅱ.核心短语(共10小题;每题1.5分,满分15分)
1.cast new light on 使进一步了解……
2.come to an end 结束
3.take place 发生
4.go by 经过;流逝
5.depend on 依靠;依赖;取决于
6.look up 向上看,仰视;尊敬;拜访,看望;查阅
7.make sense of 搞清楚,理解
8.make contributions to 对……做出贡献
9.set up 建立
10.grow up 成熟;长成
Ⅲ.经典句式(共5小题;每题4分,满分20分)
1.虽然道路崎岖陡峭,但没有人停下来。(as)
Rough and steep as the road was,no one quit.
2.那就是他总是不辞劳苦地在山谷中雕刻冰的原因。(That is why...)
That is why he is always bothering to carve ice in the valley.
3.一些同学负责摘苹果,其他同学负责把摘下来的苹果打包。(while)
Some of the students were responsible for picking apples while the others packing them.
4.他有可能在周日去当地的慈善机构。(It is likely that...)
It is likely that he will go to local charity on Sunday.
5.你绝对不能告诉她真相,否则她会崩溃的。(in no sense)
In no sense can you tell her the truth,or she will break down.
Ⅳ.语法填空(文中加黑词汇为本单元的重点词汇)(共10小题;每题2分,满分20分)
Whether space and universe are worth 1.exploring (explore) has been a heated topic for people.
Some astronauts 2.have bothered(bother) to explore space to finish their missions by now.Due to the 3.absence(absent) of gravity in space,they have to attach themselves in order not to float around.They are occupied in conducting scientific research and 4.evaluating(evaluate) the effects of low gravity on creatures.At the same time,they have to do some maintenance and cleaning.For a spacewalk,they must put on their spacesuits to protect them from 5.exposure/being exposed (expose) to the cold and radiation.In view of the lowgravity environment,it is 6.a luxury to eat fresh food.Sometimes they must take pills to ensure a balanced supply of nutrients.Though it is challenging and difficult,it is rewarding.The results of these space explorations have made major contributions 7.to an understanding of the origin,evolution,and likely future of the universe.Although space exploration demands huge investment,the space industry 8.actually(actual) can bring great economic value.Meanwhile,it can provide education and inspiration for the next generation.In 9.my(I) opinion,such wonders as a space shuttle launch or astronauts walking on the Moon are incredibly exciting and inspiring to witness,and it can be these moments 10.that shape children’s lives forever and motivate them to become the scientists and engineers of the future.
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