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【单选题】
造成超常儿童低成就的原因有？A.
情绪冲突
B.
淡漠
C.
有虐待行为的家庭环境
D.
以上都是
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反馈参考答案：
举一反三
【简答题】软件需求包含哪些层次?
【单选题】微型计算机的硬件系统通常是由运算器________等几部分组成。
A.
UPS、存储器和输入输出设备
B.
控制器、存储器和输入输出设备
C.
控制器、存储器和UPS
D.
控制器、存储器
【单选题】---What do you think we can do for our aged parents? ---You ____ do anything except to be with them and be yourself. A. don't have to B. oughtn't toC. mustn't D. can 't
A.
don't have to
B.
oughtn't to
C.
mustn't
D.
can 't
【单选题】Mom says we ________clean the room right now. [ ]
A.
not have to
B.
not to have to
C.
don't have to
【单选题】You ______ drink wine before driving, or the police will take your license away. [ ]
A.
don't have to
B.
needn't
C.
mustn't
D.
may not
【单选题】People have different views on architecture, which is good - they don't have to / haven't to agree.
A.
don't have to
B.
haven't to
【单选题】It's Sunday tomorrow. We go to school. [ ]
A.
don't have to
B.
haven't to
C.
not have to
D.
had not better
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