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问题 单项选择题

因铁水含气量大、浇注温度低，使同炉铁水浇注的铸件产生各断面上多而分散的小气孔，此类缺陷称为（）。

A.反应性气孔

B.缩孔

C.析出性气孔

D.侵入性气孔

答案

参考答案：C

完形填空
完形填空。

      It's Saturday morning. Frank 1____________ go to school, but he isn't 2____________. Now, he is sitting
on a bus. He 3____________ to the park. A young woman with a baby gets on the bus. Frank 4____________
up and says to her, " 5____________ and sit here, please." The woman comes 6____________ and sits down
and says " Thank you." The bus stops 7____________ the park. Frank 8____________ " Goodbye." to the
woman and 9____________ the bus. The woman smiles and says " Goodbye." to 10____________, too.

( ) 1. A. doesn't
( ) 2. A. at school
( ) 3. A. goes
( ) 4. A. sits
( ) 5. A. Come
( ) 6. A. away
( ) 7. A. at
( ) 8. A. say
( ) 9. A. gets up
( ) 10. A. he		B. mustn't
B. at home
B. go
B. gets
B. Go
B. there
B. on
B. says
B. gets off
B. she		C. don't
C. at the zoo
C. going
C. stands
C. Stand
C. down
C. in
C. saying
C. gets on
C. him		D. isn't
D. in the park
D. is going
D. walks
D. Wait
D. on
D. near
D. is saying
D. gets down
D. her
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单项选择题

国际金融规则的目标应当是（）。

A.维护世界金融安全

B.建立新的世界金融体制

C.形成公平合理的全球金融监管机制

D.在国际经济金融关系中，维护各国之间权利与义务关系的平衡
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