哈佛英语

2.What did some people use to make gas in the Second World War？
A.Water 水 B. Coal 煤 C. Wood and plants 木材和植物 D. Tides 潮汐 根据第二段In the Second World War, some people didn’t use gas made from petroleum(石 油) in their cars. They made gas from wood and plants instead.描述,可知选C
They made gas from wood and plants instead.他 们用木头和植物制造了天然气。The car didn‘t go fast, but they ran, so this was better than nothing. 汽车没走快，但他们跑了，所以这比没有好。 However, in the future, we can‘t cut down all our trees to make gas; we need our trees for other things, too.然而，在未来，我们不能砍伐所有的树 木来制造天然气；我们也需要我们的树木为其他的 东西。 Besides different types of gas, we can also use electricity （电） to run our cars， but first we must make the electricity!除了不同类型的气体， 我们也可以用电（电）来运行我们的汽车，但首先 我们必须发电
哈佛英语
Week 1Tuesdaห้องสมุดไป่ตู้ B
全文内容及翻译 题目分析
全文内容及翻译
There is not enough oil in the world now.现在 世界上没有足够的石油。As time goes by, it becomes less and less, so what are we going to do when it runs out?随着时间的推移，它变得越来 越少，所以我们要做什么，当它用完了？Perhaps we will go back to using horses, carriages and bicycles.也许我们会回去用马，马车和自行车。 In the Second World War, some people didn't use gas made from petroleum（石油）in their cars.在第二次世界大战中，一些人不使用气体从 石油（石油）在他们的汽车。
C. We got electricity from ocean tides in the old days. D. Gas wasn't used to run cars in the Second World War. 根据第二段we need our trees for other things, too.描述,可知选B 4.The passage is mainly about ________ . A.how to run our cars B. what to do when oil runs out C. different types of gas D. the ways to make electricity 根据第一段及下文描述,可知本文主要是说如果石 油用完后,我们改怎么办.故选B
Some countries have coal and they make electricity with that, but we might not always have coal, either. 一些国家有煤炭，他们用这种发电， 但我们不可能总是有煤。 Other countries have big, strong rivers, and they can use the power of water to turn turbines（涡轮机）and make electricity more easily and cheaply.其他国家都大， 强大的河流，他们可以利用水的力量推动涡轮机 （涡轮机）使电力更容易和便宜。 We are also able to get power from the ocean tides.我们也能从海洋潮汐中获得力量。 We put turbines into the mouth of the river.我们 把涡轮机放进了河的口中。
Then the tide comes in, the water turns the turbines and then it goes out, it turns them again. 然后潮水进来了，水变成了涡轮机，然后又熄灭了， 又变成了它们。 Which of these ways will be used to run our cars in the future？这些方法将用于运行我们的汽车在 未来？
3.How many ways are suggested to make electricity in the passage？
A. 2 B. 5 C. 4 D. 3 根据短文描述,可知作者主要介绍了三种发电方法, 火力发电,水利发电和潮汐发电.故选D
According to the passage， which of the following statements is True？ A. There is more petroleum than we can use now. B. Trees are needed for some other things besides making gas.
题目分析
1.When might people have to go back to using horses and carriages？ A. When they are poor. B. When they run out of oil. C. When they need more exercise. D. When there aren't any big trees in the world. 根据第一段so what are we going to do when it runs out? Perhaps we will go back to using horses, carriages and bicycles.描述,可知选B