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【单选题】
在轮自穿越暖锋,通常风向将由:
A.
S~SW转N~NW
B.
S~SW转E~SE
C.
E~SE转S~SW
D.
N~NW转E~SE
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【判断题】27 . 齿轮模数的物理意义是反映齿轮大小。
A.
正确
B.
错误
【单选题】The topic in the sentence “Solving the Rubik’s cube is simple if you follow the five moves” is__________.
A.
Rubik’s Cube
B.
simple
C.
five moves
D.
solving the Rubik’s Cube
【简答题】Popularity of rustic furniture in 1980s and plain and furniture in 1990s reflect Americans' attention to ______.
【单选题】——Can she play the guitar or the violin ? ——___________. But she can play the drums.
A.
Both       
B.
Either        
C.
Neither
【单选题】—Can she play the guitar or the violin? —________. But she can play the drums. (14,成都)
A.
Both
B.
Either
C.
Neither
【单选题】---Can she play the guitar or the violin?--- ____. But she can play the drums.
A.
both
B.
either
C.
neither
D.
all
【单选题】There’s a simple idea that two of West Germany's top car manufacturers seriously studying at the moment, both out of self interest ,but also out of concern for the environment. The concept is to devel...
A.
It is nontoxic
B.
It has lots of vapour.
C.
It doesn’t produce damaging fuels.
D.
It costs less.
【单选题】当压缩机运转时在压缩机壳(4.1)里建立起的压力是用于通过油过滤器输送油到轴承、传动装置和压缩机体内油喷射点。这些油用于润滑机器,密封转子凸轮尖部,带走压缩产生的()。
A.
热量
B.
压力空气
C.
油水
【单选题】There’s a simple idea that two of West Germany’s top car manufacturers are seriously studying at the moment, both out of self interest, but also out of concern for the environment. The concept is to d...
A.
It is nontoxic.
B.
It has lots of vapour.
C.
It doesn’t produce damaging fuels.
D.
It costs less.
【单选题】从心理学角度,压力是( )。
A.
由挫折引起的心理变化
B.
由挫折引起的心理反应
C.
由外部事件引发的体验
D.
由挫折引起的沉重负担
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