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【单选题】
对于平面线形设计，当设计车速≥60km/h时，同向曲线间的直线最小长度(以m计)以不小于设计车速(以km/h计)的n倍为宜，其中n为A.
2
B.
4
C.
6
D.
8
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举一反三
【单选题】What do we know about the unmarried men, according to the last sentence of the first paragraph?
A.
They got a 16% increase in household income.
B.
They got a 16% decrease in household income.
C.
Only 16 % of them were in financial difficulty.
D.
Only 16% of them earned more than in 1970.
【单选题】地震被埋压后,下面错误的做法是
A.
撤去身边的物体，用力向外抽拉身体
B.
检查自己是否受伤，若没有受伤根据情况尽量向外拖拉身体
C.
用身边坚固的物体做简易顶撑
D.
查清压在身上的物体是何物
【单选题】根据以下资料，回答{TSE}题。 Batteries Built by Viruses {TS}According to the first paragraph，people try to__________.
A.
kill microorganisms related to chicken pox，the flu，etc
B.
keep themselves away from viruses because they are invisible
C.
stay away from viruses because they are causes of various diseases
D.
cure themselves of virus—related diseases by taking medicines
【单选题】地震被埋压后，下面错误的做法是（）
A.
查清压在身上的物体是何物
B.
查自己是否受伤，若没有受伤根据情况尽量向外拖拉身体
C.
撤去身边的物体，用力向外抽拉身体
D.
用身边坚固的物体做简易顶撑
【单选题】What accompanies the first letter?
A.
A copy of Ms. Fitch's schedule
B.
A list of job requirements
C.
Ms. Fitch's educational history
D.
Samples of graphic design work
【简答题】A.Models of the first planes used for mail delivery. B.A copy of a railway mail car. C.All the unusual stamps. D.A motorbike.
【单选题】We are enclosing a full set of copy documents ______this first consignment
A.
referring
B.
covering
C.
regarding to
D.
as for
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