必修二Unit 3 Computers using language课时作业

Ⅰ. 单词拼写

　　1．It is very important to keep calm_ (镇静的) when an earthquake breaks out.

　　2．Global warming is having a great_effect(影响)on hundreds of plant and animal species around the world.

　　3．They waved (挥手) to us to stay where we were.

　　4．You have the_power (能力) to live it well.

　　5．You are likely to sing or whistle_ (吹口哨) when you are happy.

　　6．It was said that the typhoon (台风)had caused a lot of damage.

　　7．In the city, the water_pipes (管道) in some buildings cracked and burst.

　　8．What I did was (to) turn off the_tap (水龙头).

　　9．Several hours later, the little boy was rescued with the aid/help (帮助) of the police.

　　10．I'm very glad that you can write me a summary (概要) of this report.

Ⅱ.单句语法填空

　　1．To help students deal with their mental problems, we will hold a lecture delivered (deliver) by a professor from the UK.

　　2．What's more, it is another effective (effect) way to deal with the problem.

　　3．They felt it difficult to_finish (finish) the work in such a short time.

　　4．Today the number of people learning English in China is_increasing (increase) rapidly.

　　5．A wonderful idea struck (strike) me suddenly when I was walking on the street.

　　6．The dustman swept (sweep) up all the fallen leaves on this street yesterday.

　　7．The length (long) of the article should be about 800 words.

　　8．I was_having_ (have) a discussion with my friend about how to improve my English when my mother called me.

　　9．It was reported that as many as 157 people died at the air crash.

　　10．Several hours later, the little boy was rescued with the aid of the police.

Ⅲ.选词填空

go through； sweep away； in shock； in the open air； put up； on hand