Unit 4 课下力量提升〔十五〕
Ⅰ.依据提示写出单词的正确形式
1．I think there’ s an electrical全脑速读记忆法 (与电有关的) fault.
2．Our country made a mitment (承诺) to pay D|S50,000 to the Red Cross.
3．Young people have made a great contribution (奉献) to China’ s economic development.
4．The group does not advocate (支持) the u of violence.
5．Whatever our circumstances (状况), we generally still have dreams, hopes and desires.
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6．In many places, swimming is dangerous becau of pollution (pollute)．
7．Nowadays, EQ and PQ as well as IQ are attached importance to in children’ s growth (grow)．
8．He was casually (casual) dresd in jeans and a Tshirt.
9．In college I had been taught that a successful educator (educate) should ignore bad behavior.
10．The Chine nation has reached a point where its very existenceblood sugar (exist) is at stake.
Ⅱ.选词填空
on the whole， put up with， as long as， and so on， on behalf of， make a difference
1．I think that as_long_as one puts effort into study, he will make progress.
2．We have to put_up_withfork怎么读 her bad temper.
3．The natural sources on the earth are running out and we should save water, electricity and_so_on.
4．剪纸英文On_the_whole he was generous and honest, but sometimes he was mean.
5．Plea allow me to express our warm wele to you on_behalf_of our pany.
6．Your support will certainly make_a_difference to our project, which must be pleted before next Friday.
Ⅲ.完成句子
1．As_long_as_he_had_time (只要他有时间), he would drive his wife to work.
On_average (平均起来), American firms remain the most productive in the world.
3．The dictionary didn’ t tell the Frenchman how_to_pronounce_hysteriathe_word (怎样读那个词)．
4．If_so (假如是这样), I believe I have solved your problem.
5．Under_the_circumstances (在这种状况下) he felt unable to accept the job.
Ⅳ.完形填空
Access to electricity has always been limited for people living in Nuevo Saposoa, a remot
e village in Peru. However, things went from bad to wor in March 2015 __1__ a flood damaged the power station in the area. The villagers were __2__ to turn to kerone (煤油) lamps, which are not only expensive but also __3__ becau of the poisonous matter they give off.
__4__， the rearchers and students at the Universidad de Ingenieríay Tecnología (UTEC) in Lima, Peru heard about their __5__ situation and came up with a creative solution. They __6__ a lamp that can be powered by plants and soil, both of which can be found __7__ in the Amazonian rainforests where the village is located. Called Plantalámparas, the __8__ draws energy from a plant growing in a wooden box and us it to __9__ an LED bulb.
While that may sound plicated and even impossible, it is quite __10__. The waste produced by plants undergoes oxidization (氧化作用) in the soil, which produces electrons (电子). The UTEC team placed electrodes (电极) inside the soil to __11__ the energy and store it in the lamp’ s batteries for __12__ u. The rearchers say a single
charge can light an LED bulb for two hours — enough __13__ for people to get their evening chores done. The university __14__ ten such lamps to Nuevo Saposoa in October 2015. So far, they have been a huge __15__！ Elmer Ramirez, UTEC’ s professor, believes the plant powered lamps could also help improve the lives of thousands of other __16__ rainforest munities, 42% of which have no access to __17amor什么意思__.
This is not the __18__ time the students and professors of UTEC have e up with a(n) __19__ solution to a problem. In 2014, to deal with Peru’ s vere __20__ pollution they created a large advertising board that could be ud as an air purifier (净化器) as well!
语篇解读：本文是说明文。秘鲁UTEC高校的师生为了解决偏远乡村用电难的问题创造了一种利用植物和土壤供电的灯。
1． B．though
C．unless D．until
解析：选A 依据本句中的“from bad to wor〞可知，在洪水毁了当地的发电站“后(after)〞， Nuevo Saposoa村用电难的问题更加严峻。
2． B．taught
C．asked D．forced
解析：选D 没有电，村民们“被迫(forced)〞使用煤油灯。
3． B．inconvenient
C．strange D．dangerous
解析：选D 依据本空后的“the poisonous matter〞可知，使用煤油灯很“危急(dangerous)〞。
4． B．Suddenly
C．Certainly D．Usually
turtle解析：选A 依据下文内容可知，“jubilee幸运的是(Fortunately)〞，UTEC高校的师生们想出了一个好办法关心村民。
5． B．embarrassing
C．bad D．unstable
解析：选C 依据上文内容可知，Nuevo Saposoa村的村民无电可用，状况很“糟糕(bad)〞。
6． B．designed
C．discovered D．repaired
解析：选B 依据本空后的recycle是什么意思“a lamp that can be powered by plants and soil〞可知，他们“设计出(designed)〞一种利用植物和土壤供电的灯。
7． detail B．in time
C．in harmony D．in abundance
解析：选D 只有制作新型灯的材料简单获得，这项创造才有可能得到广泛使用。故此处in abundance(大量地)符合语境。
8． B．lamp
C．rainforest D．soil
解析：选B 依据本空前的Called和本空后的“draws energy〞可知，这种“灯(lamp)〞名叫Plantalámparas，从植物中猎取电能。
