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【单选题】
电嘴间隙（）规定值，引起火花强度减弱，还有可能使电嘴间隙处因积炭造成短路而不产生电火花.A.
小于
B.
大于
C.
等于
D.
小于或大于
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举一反三
【单选题】Why was Septimus frightened after he saw the person in the dark room?
A.
because the person was the principal of the school.
B.
because the person was a monster-like one.
C.
because Septimus was found by the person.
D.
because the person was invisible.
【简答题】background表示
【单选题】The person in the poem (诗) watches the moon ______.
A.
on a beautiful night
B.
on a cloudy night
C.
in the day time
【单选题】The person in the poem ______.
A.
wants to see the moon very much
B.
does not want to see the moon
C.
wants to see the sun very much
【简答题】标记的属性中border表示设置表格的______,align表示设置表格在网页中的______对齐方式,bgcolor表示设置表格的________,background表示设置表格的_______。
【简答题】蛋白质组(答案含有标点符号)
【简答题】蛋白质组学(答案含有标点符号)
【单选题】The passage states that before the blue square appeared, the person in the video ______.
A.
was in a relaxed state
B.
watched the screen closely
C.
wondered what would happen
D.
got ready to respond to a shock
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