I"m________about what I say because careless remarks are likely to hurt others"

题型：专项题难度：来源：

I"m________about what I say because careless remarks are likely to hurt others" feelings.  [     ]
A. enthusiastic
B. curious
C. doubtful
D. cautious

答案

举一反三

With the advances of technology, plastics have taken the place of many ________materials.[     ]
A. conventional
B. optional
C. artificial
D. potential

题型：专项题难度：| 查看答案

Interest is as ________ to learning as the ability to understand, even more so. [     ]
A. vital
B. available
C. specific
D. similar

题型：专项题难度：| 查看答案

— Can you lend me the book Gone with the Wind?
— Sorry. I returned it to the library just now. Maybe it is still ________.[     ]
A. available
B. affordable
C. acceptable
D. valuable

题型：专项题难度：| 查看答案

Can you tell the   ________  difference between the words "require" and "request"?
I sometimes get puzzled by their meanings. [     ]
A. dramatic
B. regional
C. apparent
D. subtle

题型：专项题难度：| 查看答案

Whether the buildings in this area should be pulled down has remained ________；
people are still looking for other possible solutions.  [     ]
A. unchallenged
B. relevant
C. controversial
D. contradictory

题型：专项题难度：| 查看答案