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【单选题】
关于表面淬火,不正确的描述是( )。A.
提高零件表面硬度和耐磨性
B.
保证零件心部原有的韧性和塑性
C.
特别适用于低碳钢
D.
用于高碳钢，容易淬裂
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【简答题】（3）完形填空 Older people must be given more chances to learn if they are to contribute to society rather than be a financial burden, according to a new study on population published recently. The current ...
【单选题】听力原文：W: What do you want me to get? I'm leaving now. M: Pick up a bottle of milk and a loaf of bread please. Q: Where is the man probably going? (17)
A.
To the bank.
B.
To bookstore.
C.
To a shoe store.
D.
To the grocer' s.
【单选题】I think the older people must be ______ politely. [ ]
A.
talked about
B.
said with
C.
told about
D.
spoken to
【单选题】Older people must be given more chances to learn if they are to contribute to society rather than be a financial burden, according to a new study on population published recently. The current approach...
A.
operates
B.
focuses
C.
counts
D.
depends
【单选题】--- I think the older people must be _______ politely. ---Yes. You are so kind.
A.
talking about
B.
said with
C.
tell about
D.
spoken to
【简答题】Accrding______a Chinese custom,families must take care the older people.
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