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【单选题】
【复习200T】 若要求在if后一对圆括号中表示a不等于0的关系,则能正确表示这一关系的表为____ __.A.
a<>0
B.
!a
C.
a=0
D.
a
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举一反三
【单选题】Ma Dong didn't write out the right answer, _____. [ ]
A.
neither did I
B.
neither didn't I
C.
I'm too
D.
either I
【单选题】听力原文：M: Didn't I tell you? I retired on Friday. W: Really! I didn't think you'd be retiring for another five years or so. M: Well. I'll be seventy then, you know. W: Well. I never! I thought you were ...
A.
In his fifties.
B.
In his sixties.
C.
Seventy.
D.
Seventy-five.
【简答题】最安全,经济的营养补给途径是
【简答题】A．warnings B．clues C．symbols D．evidences
【单选题】— I plan to go out for a trip, but I'm afraid I don't know the ______. — A map is helpful, I think. [ ]
A.
price
B.
way
C.
time
【简答题】解释锌族元素硫化物的溶解度及颜色变化原因。
【单选题】According to the (literature) in this field, expert (evidences) originally (appeared) in England, and later (got widen used) in the Commonwealth countries.
A.
literature
B.
evidences
C.
appeared
D.
got widen used
【简答题】和物体在力的方向上发生的 ,是做功的两个不可缺少的因素。
【单选题】—I’m sorry, but I didn’t mean ____ out your secret. —But you know, letting out secret means ____ one’s feelings.
A.
to let; to hurt
B.
letting; hurting
C.
to let; hurting
D.
letting; to hurt
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