【題目】As we know, man’s understanding of nature is developing _______.

A. at the right time B. for the first time

C. from time to time D. all the time

【答案】D

【解析】

句意:正如我們所知,人類對自然界的理解一直在發(fā)展。at the right time在適當(dāng)?shù)臅r候,for the first time第一次;from time to time不時,有時;all the time一直。此處與現(xiàn)在進行時連用,故表示一直發(fā)生的事,故用all the time。故選D。

練習(xí)冊系列答案
相關(guān)習(xí)題

科目:初中英語 來源: 題型:

【題目】Fire can be very dangerous. We should_______.

A. keep our hair away from fire B. play with matches

C. be careless when we play with fireworks D. put something hot into the rubbish bin

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】British people say "please" and "thank you" all ______ time, and they always keep their voice down in ______ public.
A.a; the
B.the; /
C./, a
D./;/

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Who will open up the gin?
A.The man.
B.The woman.
C.Ted.

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】 Another cup of tea?

No, thanks. I leave now. Lucy is waiting for me.

A. can B. may

C. must D. need

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】What are they going to do?

A. ride a bike B. fly kites C. have a picnic

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】—Do you think I could borrow your pencil?

A.Yes, you may borrow
B.Yes, you could
C.Yes, go on
D.Yes, help yourself

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】My elder brother my wet sports shoes and made me sit by the fire.
A.took off
B.kicked off
C.carried out
D.put out

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Everyone should do something to fight a the pollution.

查看答案和解析>>

同步練習(xí)冊答案