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【多选题】
实验室信息系统由( )组成。A.
硬件
B.
操作软件
C.
数据库管理软件
D.
网卡
E.
应用软件
手机使用
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反馈参考答案：
举一反三
【单选题】Aboard a vessel, dividing the sum of the vertical moments by total weight yields the vessel’s_____.
A.
height of the center of gravity
B.
vertical moments
C.
righting moments
D.
inclining moments
【单选题】We meant to finish the work by dark, but we were so tired that we could not ______.
A.
hold on
B.
last on
C.
carry on
D.
keep to
【简答题】Find out the vertical word made up by the letters in yellow boxes with the help of the answers to the clues of the horizontal words. 1-11 are the horizontal words. 12 is the vertical word .
【单选题】— __________ we leave the library before 5 o’clock? — No, you needn’t. You can stay here until 5:30.
A.
Must
B.
May
C.
Can
D.
Could
【单选题】They will leave for Paris _____ three o’clock in the afternoon and we’ll fly to London _______ a few weeks.
A.
after, in
B.
in, after
C.
on, in
D.
after, after
【单选题】—Could you tell me _____? —Certainly. At 8 o’clock. [ ]
A.
when will the train to Beijing leave
B.
when the train to Beijing would leave
C.
when the train to Beijing left
D.
when the train to Beijing will leave
【判断题】If the vertical wind is zero, the vertical speed components relative to the ground and relative to the air are equal.
A.
正确
B.
错误
【单选题】____,we decided to leave at once so that we could catch the train.
A.
It being pretty late
B.
Since it being pretty late
C.
Being pretty late
D.
It was pretty late
【单选题】Air gap is the vertical distance between the bottom of the hull and the ______．
A.
Still water level
B.
Wave crest
C.
Wave crest plus the charted water depth and tidal corrections
D.
Wave crest plus the charted water depth and tidal correction and storm surge
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