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【单选题】
直线EF为铅垂线,则EF的三面正投影中积聚成一个点的投影是A.
H面投影
B.
V面投影
C.
W面投影
D.
没有积聚成点的投影
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【单选题】Most scientists in the world today firmly believe the effective means to stop global warming is to reduce emissions of air _____.
A.
pollutes
B.
polluting
C.
pollutants
D.
pollution
【简答题】防水卷材的搭接宽度应符合规范要求,铺贴双层卷材时,上下两层和相邻两幅的接缝应错开( )幅宽,且两层卷材不得互相垂直铺贴A. 1/4~1/3 B. 1/3~1/2 C. 1/4~1/2 D. 1/5~1/3
【单选题】Why did Xiaoli run away?
A.
Because she thought Dalong wanted her life.
B.
Because she thought Dalong wanted her knife.
C.
Because she thought Dalong wanted her book.
D.
Because she thought Dalong wanted her bag.
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