皮皮学，免费搜题
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【单选题】
随着惰性组分含量的增加,混合气体的爆炸极限范围将 。A.
不变
B.
增大
C.
缩小
D.
先增大后减小
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皮皮学刷刷变学霸
举一反三
【单选题】—Did you play cards yesterday? —________ [ ]
A.
Yes, I play cards with my friends.
B.
Yes, I played cards with my friends.
C.
Yes, I am playing cards with my friends.
【单选题】毕II式胃大部切除术后病人胃肠吻合口出血的最主要表现是
A.
脉搏细速、血压下降
B.
尿量减少、四肢湿冷
C.
烦躁不安、面色苍白
D.
胃管内吸出大量血液
E.
头晕、心悸、出冷汗
【简答题】_______play in the street! A car may hit you.
【单选题】Let Jim play with your toy car as well, Peter. You must learn to ______.
A.
help
B.
share
C.
care
【简答题】A．Sleep at the campground. B．Play a card in their car. C．Return home after the rain stopped. D．Stay at a hotel at the foot the mountain.
【单选题】We'd better _______on the road. A car may hit us.
A.
not to play
B.
not play
C.
to not play
D.
don't play
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