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【简答题】

用括号内所给单词的适当形式填空。 1. Have you ever _____ (meet) her? 2. What do you want _____ (do)? 3. Project Hope _____ (build) many schools all over China since . 4. His little brother enjoys _____ (play) football after school. 5. It's easier _____ (learn) a foreign language when you visit a foreign country.

题目标签:括号
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参考答案:
参考解析:
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举一反三

【单选题】下列去括号中,正确的是(  )

A.
a-(b-c)=a-b-c
B.
c+2(a-b)=c+2a-b
C.
a-(b-c)=a+b-c
D.
a-(b-c)=a-b+c

【单选题】下列去括号正确的是(  )

A.
-3a-(2b-c)=-3a+2b-c
B.
-3a-(2b-c)=-3a-2b-c
C.
-3a-(2b-c)=-3a+2b+c
D.
-3a-(2b-c)=-3a-2b+c

【单选题】去括号:2(a﹣b)﹣(c+d)= [ ]

A.
2a﹣b﹣c﹣d
B.
2a+2b﹣c+d
C.
2a+b﹣c﹣d
D.
2a﹣2b﹣c﹣d