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【简答题】
除检查以外,新闻传播中把关人的主要责任有()、()、()和()。
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皮皮学刷刷变学霸
举一反三
【单选题】变压器的等效电路参数可以通过空载与短路实验来测得，空载实验时，测试的损耗主要为（ ）；短路实验时，测试的损耗主要为（ ）。
A.
铁耗，铜耗
B.
铁耗，铁耗
C.
铜耗，铜耗
D.
铜耗，铁耗
【简答题】A．She washed nurses' aprons and surgeons' caps. B．She pressed surgeons' caps and nurses' aprons. C．She folded surgeons' caps and nurses' aprons into knife-edged creases. D．She steamed the clothes of t...
【简答题】属于胸导管收集的范围有
【单选题】What did Sarah do as soon as she got to the new home?
A.
She washed the children and tidied their hair
B.
She made a comfortable bed for the boy
C.
She made new shirts for the boy
D.
both A and B, but not C
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