2021的相反数是( )
- A.2021
- B.-2021
- C.1/2021
- D.-1/2021
正确答案及解析
正确答案
B
解析
暂无解析
包含此试题的试卷
你可能感兴趣的试题
2021的相反数是( )
-
- A.2021
- B.-2021
- C.1/2021
- D.-1/2021
- 查看答案
Hospital doctors don`t go out very often as their work ____all their time.
-
- A.takes away
- B.takes in
- C.takes over
- D.takes up
- 查看答案
We designed the machine _____the purpose _______production.
-
- A.for, ofincreasing
- B.with, of increasing
- C.for, to increase
- D.A or B
- 查看答案
He didn`t go into detail on the subject ,he spoke ______.
-
- A.in general
- B.in particular
- C.in common
- D.in short
- 查看答案
I _______ by his story that he made up.
-
- A.was taken on
- B.was taken out
- C.was taken in
- D.am taken in
- 查看答案