不定项选择

纯金属凝固过程中,温度始终低于熔点

A.错误
B.正确
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'The curious paradox in the American character' (Last ParA.) means that ______.A.Americans were so busy working to acquire comforts and conveniences that they were unable to relax and to enjoy leisure time when they had itB.Americans love comforts and conveniences very much, yet they don't know how to get themC.Americans value time very much, yet they are too wasteful of material thingsD.Americans know it's unhealthy to eat fast food, but they just can't resist it
A.A.Americans
B.Americans
C.Americans
D.Americans
单项选择题
不参与翼点组成的骨是 A 额骨 B 顶骨 C 颞骨 D 蝶骨 E 枕骨
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