题目内容

The computer in 1946 in America.

A. is inventedB. was inventedC. inventsD. invented

 

B

【解析】

试题分析:句意: 电脑是1946年在美国被发明的。根据句意可知这是一件过去的事情了,而且句子的主语computer 与invent 之间构成被动的关系,故应使用被动语态。一般过去时的被动语态应是was/were + 过去分词。故选B。A选项是一般现在时的被动语态;C是一般现在时,D是一般过去时,两项没有用被动语态。

考点:考查动词。

 

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Everyone should do something to protect the environment. How did we help to save our earth this week? Let me tell you.

First, my family try to save . We never left the lights on when leaving the rooms. We turn off the TV when is watching it. Mom only uses cold water in the washing machine.

  Second, we also start recycling this week. We to write on both sides of the paper, not just on one side. We also our rubbish into different bags for bottles, cans, paper and food. Mom keeps the plastic shopping bags from the supermarket to use them again as rubbish bags. These are great to help our environment.

  Third, my family also save water. We never take long baths and have short showers . We wash the toilet with used water. My sister and I don’t the tap running when we brushed our teeth.

  At last, mom and dad begin to save gas. Mom to drive us to school, but now my sister and I start riding our bikes to school. It’s hard work good exercise! This week dad and his workmates(同事) also start to go to work together in one and share the cost. This also help reduce greenhouse gases.

  These are great ways to help protect our environment.

1.A. waterB. oilC. electricityD. food

2.A. somebody B. everybody C. nobody D. anybody

3.A. want B. keep C. refuse D. try

4.A. divide B. check C. buy D. change

5.A. ways B. advice C. information D. news

6.A. again B. instead C. already D. too

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8.A. hoped B. began C. used D. needed

9.A. or B. but C. for D. and

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