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【单选题】
以下说法中错误的是( )。A.
金属材料的强度越高，抵抗变形和断裂的能力越强
B.
拉伸强度实验中，当拉伸力达到屈服点后保持不变时，式样仍能继续伸长
C.
常见金属材料判断塑性的指标为伸长率与断面收缩率
D.
加工零件的表面粗糙度值越高，则疲劳强度越大
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【单选题】在Excel工作表中,正确的公式形式为 。
A.
=B3*Sheet3!A2
B.
=B3*Sheet3$A2
C.
=B3*Sheet3:A2
D.
=B3*Sheet3%A2
【简答题】Microblogging(微博) is sweeping across the world. You Can express your ideas on any topic on it. Of course, you might also make comments(评论) on others' microblogs. The following is Tonv's microblog at E...
【简答题】A．It is small but delicately built across the harbour. B．It doesn't have any restaurants in it. C．Its foundation is 67 meters above sea level. D．Its roof is supported on about 600 concrete columns.
【简答题】经济林选择育种的方法按亲缘关系可分为 ( ) 、家系内选择和 ( ) ;
【单选题】You can ___ any new words in the dictionary when you come across them.
A.
look up
B.
look through
C.
look after
D.
look for
【简答题】Microblogging(微博) is sweeping across the world. You Can express your ideas on any topic on it. Of course, you might also make comments(评论) on others’ microblogs. The following is Tony’s microblog at E...
【单选题】听力原文：Could you recommend any good place to eat around here? (A) There's one across the street. (B) You need at least one recommendation. (C) Yes, I already ordered my lunch. (31)
A.
B.
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