皮皮学，免费搜题
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【单选题】
以下哪种微生物必需营专性能量寄生A.
细菌
B.
枝原体
C.
立克次氏体
D.
衣原体
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】电路及主要参数如下图,若要求负载RL上获得Pomax=10W的最大功率,应用选择管耗为多大、最大集电极电流为多大的功放管?
【单选题】泰勒制是( )的典型代表。它采用 “ 胡萝卜加大棒 ” 的办法 , 一方面靠金钱的收买 和刺激, 一方面靠严密的控制、监督和惩罚 , 迫使人为组织目标努力。
A.
复杂人假设
B.
经济人假设
C.
社会人假设
D.
自我实现人假设
【单选题】You can take___ of the two toy cars and leave the other for your brother.
A.
one
B.
none
C.
our
D.
either
【单选题】From the development history of the toy we can know that ______.
A.
it was the first product that appeared in an advertisement on TV
B.
it was entirely made of plastic in 1960
C.
many forms of it have been designed before 1982
D.
it is not one kind of toy any more at last
【单选题】You can turn on the toy robot by__________ this button.
A.
pressing
B.
press
C.
pressed
【单选题】You can take ________ of the two toy cars and leave the other for your brother. (14,安徽)
A.
both
B.
none
C.
either
D.
neither
【单选题】You can take_______ of the two toy cars and leave the other for your brother.
A.
both
B.
none
C.
either
D.
neither
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