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【单选题】
根据桥梁跨径总长1和单孔跨径1。的不同，桥梁分类错误的是（ ）。A.
特大桥(L≥500 m或L0≥100 m)
B.
大桥(500 m>L≥100 m或100 m>L0≥40 m)
C.
中桥(100 m>L>30 m或30 m>L0≥20 m)
D.
小桥(30 m≥L≥8 m或20 m>L0≥5 m)
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【单选题】南北半球反气旋的流场结构大体为:
A.
低层顺时针辐散、上层辐合并伴有上升运动
B.
低层顺时针辐合、上层辐散并伴有下沉运动
C.
低层逆时针辐散、上层辐合并伴有下沉运动
D.
低层顺时针辐散、上层辐合并伴有下沉运动
【单选题】Before the nineteenth century ______.
A.
people got married because they loved each other
B.
people could choose whom they wanted to marry
C.
people married very young
D.
families usually arranged marriages
【单选题】George ____ Lisa long before they came to this city. [ ]
A.
had married
B.
married to
C.
got married
【单选题】Notwithstanding its great diversity of styles, forms, themes, and functions, the theatre of today has its roots in a basic need to give meaning to the workings of the universe.
A.
In terms of
B.
As regards
C.
Despite
D.
In view of
【单选题】The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the ______of merchant ships.
A.
pollution
B.
economization
C.
safety
D.
efficiency
【单选题】—How long ______each other before they ___married? —For about a year.
A.
have they knownget
B.
did they know were going to get
C.
do they know are going to get
D.
had they knowngot
【单选题】北半球反气旋的流场结构大体为:
A.
低层顺时针辐散、上层辐合并伴有上升运动
B.
低层顺时针辐合、上层辐散并伴有下沉运动
C.
低层逆时针辐散、上层辐合并伴有下沉运动
D.
低层顺时针辐散、上层辐合并伴有下沉运动
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