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【单选题】
车载( )器是一种能把汽车上的 12V 直流电转换为家庭里通常使用的 220V/50Hz 交流电的电子装置。A.
整流
B.
逆变
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举一反三
【简答题】肺炎双球菌的体外转化实验及活体内转化实验分别由 ________ 国科学家 艾弗里和 ________ 国科学家 格里菲思等人分别于 ________ 年和 ________ 年进行?
【简答题】"I would almost rather see you dead," Robert S. Cassatt, a leading banker of Philadelphia, shouted when his 20-year-old eldest daughter announced that she wanted to become an artist. In the 19th centu...
【单选题】The young artist ’ s parents _____ his giving up his day job for fear that he might fail in his quest for fame.
A.
agree to
B.
suggest to
C.
object to
D.
lead to
【简答题】Passage A “I would almost rather see you dead,” Robert S. Cassatt, a leading banker of Philadelphia, shouted when his twenty-year-old eldest daughter announced that she wanted to become an artist. In ...
【简答题】在上题的短语中选择恰当的词语填在下面的句子中,注意使用正确的词形。 1. In our university, students are also encouraged to make use of the Arts Center and to ____________________music and drama. 2. Some people think that most pills off...
【单选题】静脉注射不正确的步骤是
A.
在穿刺点上方约6~8cm处扎止血带
B.
常规消毒皮肤后嘱病人握拳
C.
针头与皮肤成20°角进针
D.
见回血后即推注药液
E.
注射后用于棉签按压拔针
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