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【简答题】
电流做功的过程是将电能转化为__________能的过程。电流通过电动机做功，电能转化为_________能；电流通过电热器做功，电能转化为__________能。
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举一反三
【单选题】The seriously depressed person sees himself in a very negative way. He is sure that he is alone and hopeless. He often blames himself for ordinary faults and shortcomings which he exaggerates. He is v...
A.
is often awake very early in the morning
B.
must take sleeping pills to fall asleep
C.
should have more rest than other people
D.
would like to go to bed early in the evening
【单选题】Johnson was much depressed as he didn’t sell half as many computers as he thought he____．
A.
will
B.
did
C.
was
D.
would
【单选题】下列哪一项是决定外源化学物对机体造成损害作用的最主要因素（ ）
A.
剂量
B.
毒物毒性的大小C 个体差异D 器官的选择性毒物毒性的大小
C.
个体差异
D.
器官的选择性
【单选题】The author may most probably agree that ______.
A.
it is a trend that businesses today go global
B.
businesses today are very reluctant to go global
C.
American businesses can make more money if they only sell home-made products
D.
the market of the United States should not be that open
【简答题】The more depressed he got, the more he ________ drinking. A) turned up B) turned to C) turned out D)turned down
【单选题】关于灭菌的概念及要求,下列说法不正确的是
A.
灭菌处理后的物品不能有任何活微生物
B.
物品经灭菌处理达到基本灭菌即可
C.
无菌是指不存在任何微生物的状况
D.
无菌操作是指在无菌状态下的操作
E.
灭菌一定可达到消毒的目的
【简答题】A．He was pleased. B．He was depressed. C．He did not know what to do and was confused. D．He found himself helpless.
【单选题】He was ( ) about the spring outing , but he came back quite depressed and said he should not have joined in it.
A.
enthusiastic
B.
fantastic
C.
courageous
D.
discouraged
【单选题】女,26岁,人工流产后2年,月经正常,应选做哪项检查最为适宜( )
A.
卵巢功能检查
B.
输卵管通畅试验
C.
性交后精子穿透力试验
D.
宫颈粘液、精液相合试验
E.
腹腔镜检查
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