题目列表(包括答案和解析)

 0  275216  275224  275230  275234  275240  275242  275246  275252  275254  275260  275266  275270  275272  275276  275282  275284  275290  275294  275296  275300  275302  275306  275308  275310  275311  275312  275314  275315  275316  275318  275320  275324  275326  275330  275332  275336  275342  275344  275350  275354  275356  275360  275366  275372  275374  275380  275384  275386  275392  275396  275402  275410  447348 

3.   科学家们已经在宇宙中发现了许多别的星系。

Scientists ______  _______  _______ many other ______ in the _______.

试题详情

2.   我们还没有在其他行星上发现生命。

We haven’t ______  _______ on other ______ in the ______.

试题详情

1.   科学家们认为世界上存有生命已有几百万年的历史了。

Scientists _____  ______ there has been life _____  _____ for ______  ______ years.

试题详情

6. anywhere  7. Have  8. for  9. is  10. Thank  11. be  12. again

试题详情

4. What; up to   5. remember to ; back to

试题详情

A: Mum, I’ve lost my art book. Have you _______ it anywhere?

B: Is it the book ______ a red cover?

A: Yes, that’s ______! Where did you _______it?

B: Sorry, I ______ seen it ______.  _______  _______ you tried to look______it under your bed? Maybe you dropped it there.

A: Oh! Here it ______.  ________ goodness!

B: You should ______ more careful from now on.

A: Yes, it won’t happen _______.

单元练习答案

试题详情

5. ----Have you heard the news ______?

  ----No, not ______.

A. already ; already  B. yet ; already  C. yet ; yet  D. recently ; already

试题详情

4. Please remember _______ to Beijing ______ business ______ plane.

A. go ; on ; by  B. to go ; by ; in  C. to go ; on ; by  D. go ; on ; in

试题详情

3. “_____ does it take?” “It takes half an hour.”

A. How long  B. How soon  C. How far  D. How often

试题详情

2. My father had to work ______ Sunday morning.

A. in  B. to  C. on  D. at

试题详情


同步练习册答案