在轻金属中，纯金属合金后共同均改变的性能是（）。A.氧化性 B._爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

在轻金属中，纯金属合金后共同均改变的性能是（）。

A.氧化性

B.塑性

C.耐蚀性

D.强度

答案

参考答案：D

完形填空

选择正确单词完成下列短文。

       My name    1   Dan and I have two    2   , Bob and Ray. We like hamburgers    3    lunch. Bob and I    4
French fries but Ray   5   . I don't like   6   for breakfast.    7   Bob and Ray    8   . I like fruit for breakfast.
  9   really like chicken   10   salad for dinner.

( ) 1. A. is
( ) 2. A. brother
( ) 3. A. on
( ) 4. A. like
( ) 5. A. do
( ) 6. A. a egg
( ) 7. A. Or
( ) 8. A. do
( ) 9. A. They
( )10. A. or

B. am
B. sister
B. at
B. likes
B. don't
B. egg
B. And
B. don't
B. Them
B. but

C. are
C. sisters
C. for
C. eats
C. does
C. eggs
C. For
C. does
C. We
C. and

D. call
D. brothers
D. in
D. loves
D. doesn't
D. egges
D. But
D. doesn't
D. Us
D. of

判断题

一切为了群众，就是要把全心全意为人民服务的思想与履行自己的职责统一起来，一方面有效地扣击违法犯罪；另一方面保障人民群众的权利和利益不受侵犯。( )