Unit 4 Earthquakes lnaguage points课时作业

Ⅰ.单句语法填空

　　1．Not having enough to eat，many people died from________(starve) in the search for the new land.

　　答案：　starvation

　　2．We should ________(analysis) the whole work instead of concentrating only on some single parts; after all，it is well done as a whole.

　　答案：　analyse

　　3．________that we can't get the necessary equipment，we will have to give up the________.(assume)

　　答案：　Assuming；assumption

　　4．It's impossible to predict the weather with great________(accurate)．

　　答案：　accuracy

　　5. My pencil is not________； could you lend me a knife to________it？(sharp)

　　答案：　sharp；sharpen

　　6. She has kept up physical training for several years without ________(interrupt)．

　　答案：　interruption

　　7．There are many rubber trees in the________(botany) garden which can produce a lot of rubber every year.

　　答案：　botanical

　　8．His ability to dispose of the________(mess) situation caused by angry people caught the attention of his superior.

　　答案：　messy

　　9．It's true that we don't know what we've got until we lose it，but it's also true that we don't know what we________________(miss) until it arrives.

　　答案：　 have been missing

　　10. I suggest that the old man ________________(send) to home at once.

　　答案：　should be sent

　　11．-Are you still waiting to make a phone call?

　　-Yes.This woman ________________(talk) on the phone for the last twenty minutes.

　　答案：　has been talking

　　12．-My teacher says she's canceling the class play.I just can't understand.

　　-You must be disappointed.You________________(look) forward to it.

答案：　 have been looking