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【单选题】
你不应该扔食物。
A.
You shouldn’t throw away your food.
B.
You mustn’t throw away your food.
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【单选题】轻钢门式刚架结构柱间支撑的间距一般为 30m ~ 40m ,不应大于( )。
A.
60米
B.
45米
C.
120米
D.
300米
【简答题】请问这是哪位立体主义大师的头像?
【单选题】级差式空压机级间压力过低常由什_引起?
A.
级间冷却不良
B.
空压机冷却太快
C.
前一级流量降低
D.
后一级气阀积碳严重
【简答题】A.He has to finish his homework. B.He doesn t know it is very late. C.His mother wants him to do homework. D.He can t sleep.
【单选题】轻钢门式刚架结构柱间支撑的间距一般为30m~40m,不应大于( )。
A.
60 米
B.
120 米
C.
45 米
D.
300 米
E.
150米
【单选题】Tom is one of those student who_______friendly; ,however, it is very hard t get along with him
A.
is appeared to be
B.
are appeared to be
C.
appears to be
D.
appear to be
【单选题】轻钢门式刚架结构柱间支撑的间距一般为30m~40m,不应大于( )。
A.
60米
B.
120米
C.
45米
D.
300米
【单选题】轻钢门式刚架结构柱间支撑的间距一般为30m~40m,不应大于( )
A.
300米
B.
120米
C.
60米
D.
45米
【单选题】Don ’ t her outside for a long time. It is very cold.
A.
keep ,  siting
B.
keep , sitting
C.
let , sits
D.
let , to sit
【单选题】Don ’ t go out ___ hat. It is very cold.
A.
without
B.
with
C.
with a
D.
without a
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