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【单选题】
675 被腐蚀的金属表面当受到机械磨损作用时,将()磨损。
A.
加剧
B.
减少
C.
停止
D.
产生
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参考答案:
举一反三
【单选题】These ideologues may talk much about choice, but when it comes to home versus career, there is no choice: only the paid workforce is where women should be. What does the underlined part refer to?
A.
Government officials.
B.
Women in general.
C.
Feminists.
D.
None of the above
【单选题】已知lg2=a,则lg8=
A.
4a
B.
3a
C.
2a
D.
a
【判断题】“两京锁钥无双地,万里长城第一关”是写的嘉峪关。( )
A.
正确
B.
错误
【单选题】已知x>0,y>0,lg2 x +lg8 y =lg2,则 的最小值是 [     ]
A.
2
B.
4
C.
2+
D.
4+2
【单选题】What does the company say about the parking rates?
A.
They will vary with the size of vehicles.
B.
They will be discountable to regular customers.
C.
They will be lower than conventional parking.
D.
They will be reduced if paid in cash.
【简答题】“两就锁钥无双地,万里长城第一关”是指_____。
【单选题】已知x>0,y>0,lg2 x +lg8 y =lg2,则 的最小值是 [     ]
A.
2
B.
2
C.
4
D.
2
【单选题】已知f(x 3 )=lgx,则f(2)=(  )
A.
lg2
B.
lg8
C.
lg 1 8
D.
1 3 lg2
【单选题】What does the speaker say about the teachers in the college?
A.
They are well paid.
B.
They are mainly from New York State.
C.
They usually stay for two years.
D.
They needn't pay for their rent.
【单选题】What does the man say about the job in the States?
A.
It is well paid.
B.
B) It is stimulating.
C.
It is demanding
D.
It is fairly secure.
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