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【单选题】
以下哪个是效力待定合同( )A.
无行为能力人订立的合同
B.
自然人订立的合同
C.
公司经理订立的合同
D.
20岁青年订立的合同
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皮皮学刷刷变学霸
举一反三
【单选题】What is true about a topic sentence?
A.
It is the first sentence of each paragraph.
B.
It is one reason why the thesis statement is true.
C.
It tells the reader what the rest of the paragraph is about.
D.
All of above.
【单选题】What is true about the rational gate and emotional gate?
A.
The emotional gate is all about trust, love, identification and benefits.
B.
The rational gate examines the advantages, belief and features, and seeks value for money.
C.
The emotional gate is all about trust, love, identification and belief.
【简答题】有界函数与无穷小的乘积是无穷小，能否就说：有界函数与无穷大的乘积是无穷大?
【单选题】What is not true about a research hypothesis? ( )
A.
It can provide a focus for our study.
B.
It often specifies relations between variables.
C.
It is not capable of verification.
D.
It enables us to conclude with what is true or what is false.
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