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【判断题】
火花塞电极间隙越大,所需击穿的电压越高。()
A.
正确
B.
错误
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【单选题】该厂商目前盈亏状态说法正确的是( )
A.
盈利
B.
不盈不亏
C.
亏损且生产
D.
停止生产
【简答题】A.Read fast. B.Proceed more slowly. C.Re—read several times. D.Take in the whole.
【单选题】等离子弧的温度比电弧的温度()。
A.
B.
C.
相同
D.
无法比较
【单选题】If someone has acumen , do they have the ability (a) to make quick judgements, or (b) to read fast?
A.
to make quick judgements
B.
to read fast
【单选题】You have read/write permission on an ordinary file foo. You have just run In foo bar. What would happen if you ran rm foo?()
A.
foo and bar would both be removed.
B.
foo would be removed while bar would remain accessible.
C.
foo would be removed, bar would still exist but would be unusable.
D.
Both foo and bar would remain accessible.
E.
You would be asked whether bar should be removed.
【单选题】扫描速度愈快,则( )。
A.
衍射峰平滑,衍射线的强度和分辨率下降,衍射峰位向扫描方向漂移。
B.
衍射峰粗糙,衍射线的强度和分辨率下降,衍射峰位向扫描方向漂移。
C.
衍射峰平滑,衍射线的强度和分辨率上升,衍射峰位向扫描方向漂移。
D.
衍射峰平滑,衍射线的强度和分辨率下降,衍射峰位逆扫描方向漂移。
【单选题】等离子弧的温度比电弧的温度( )
A.
高          B、低         C、相同          D、
B.
C.
相同
D.
无法比较
【判断题】(The Trouble with Television) News on TV is read very fast and made too brief and incoherent to be comprehensive. ()
A.
正确
B.
错误
【简答题】This is the hotel at we stayed last year.
【单选题】After you read the article “Why fast food is slowly killing you”, you stop eating fast food.
A.
can
B.
may
C.
have to
D.
should
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