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【单选题】
安装在蒸发器与干燥器之间的是( ) 。A.
储液罐
B.
膨胀阀
C.
冷凝器
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【简答题】A．I'm Mary. B．Can I help you? C．Sorry, the line is busy. D．Sorry, he's not in.
【单选题】— Where's Jack today? — Oh, I'm sorry to say that he had ______ accident yesterday. And now he is in ______ hospital. [ ]
A.
a, the
B.
the, a
C.
/, the
D.
an, /
【单选题】下列物质不可能是乙烯加成产物的是()。 [ 单选题 ] *
A.
CH 3 CH 3
B.
CH 3 CHCl 2
C.
CH 3 CH 2 OH
D.
CH 3 CH 2 Br
【单选题】When the narrator says “I’m sorry I never told him how sorry I was,” he means that “______.”
A.
I regret that I never apologized to my father before he died
B.
I regret I never really understood what sorry means
C.
I apologized to my father for my reluctance to walk with him
D.
I apologized to my father for the lack of a good heart
【单选题】有国外学者R•纳什指出:“人们对自然了解越多,就越难以接受那种认为宇宙是为人类而存在的观点。与其说人类是自然的主人,不如说他是自然共同体的一个成员。”这个论断说明()
A.
人类是受到自然规律支配的群体
B.
人类应与自然界协调发展
C.
人类既是自然的主人,又是自然界的成员
D.
人类是宇宙的主宰
【单选题】距离保护装置的动作阻抗指能使阻抗继电器动作的( )。
A.
最小测量阻抗
B.
最大测量阻抗
C.
介于最小与最大测量阻抗之间的一个定值
D.
大于最大测量阻抗的一个定值
【简答题】When the narrator says “I’m sorry I never told himhow sorry I was,” he means that “______.”A. I regret that I never apologized to my fatherbefore he died B. I regret I never really understood what sor...
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