问题
单项选择题
某钢牌号为Q235A,其中“235”是指钢的()。
A.抗拉强度
B.屈服点
C.伸长率
D.冲击功
答案
参考答案:B
某钢牌号为Q235A,其中“235”是指钢的()。
A.抗拉强度
B.屈服点
C.伸长率
D.冲击功
参考答案:B
阅读理解。 | |
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1. —I didn't get the job. —Oh,________! 2. I often ________ with my friends by chatting on QQ. 3. If someone has "________", he is very good at making money. 4. Last night the football team needed just one more ________ to win the game. 5. The mobile phone doesn't work,because something is wrong with the ________.
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