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【单选题】
爆炸品的堆垛间及堆垛与库墙间应有( )m以上的间隔,以避免日光日晒。A.
0.2
B.
0.5
C.
0.8
D.
1
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皮皮学刷刷变学霸
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【简答题】—My old friend White is going to visit me. —We haven't seen each other_____ five years. A. since B after C. for
【单选题】You've been my best friend ever since we ___________in the infants.
A.
starts
B.
start
C.
starting
D.
started
【单选题】We have been____ by all our friend since we moved to the new house
A.
called on
B.
called at
C.
call off
D.
called in
【单选题】______ we have finished the course, we shall take a new one.
A.
Since now
B.
Since that
C.
Now that
D.
By now
【单选题】A friend, whomI ______ since he went abroad years ago, came to visit me last night.
A.
never saw
B.
had neverseen
C.
never sees
D.
hasnever seen
【多选题】测量工作的原则是( )。
A.
在测量的布局上是“由整体到局部”
B.
先测角后量距
C.
在测量的精度上是“由高级到低级”
D.
在测量的次序上是“先控制后细部”
E.
先进行高程控制测量后进行平面控制测量
【单选题】—My old friend White is going to visit me. —We haven't seen each other _____ five years. [ ]
A.
since
B.
after
C.
for
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