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【简答题】

用括号中适当的词填空: 1. I ________(am, are, is) from Australia. 2. She _______ (am, are, is) a student. 3. Jane and Tom _________(am, is, are) my friends. 4. My parents _______ (am, is, are) very busy every day. 5. _______ (Are, Is, Do, Does) there a Chinese school in New York? 6. _______ (Be, Are, Were, Was) they excited when he heard the news? 7. There _____ (be) some glasses on it. 8. If he _____ (be) free tomorrow, he will go with us.

题目标签:括号
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参考答案:
参考解析:
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刷刷题刷刷变学霸
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
相关题目:
【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