把一个圆锥形的橡皮泥揉成与它等底的圆柱,圆锥的高是圆柱高的( ) A.13 B.3倍

题型:选择题

问题:

把一个圆锥形的橡皮泥揉成与它等底的圆柱,圆锥的高是圆柱高的(  )
A.
1
3
B.3倍C.无法判断
考点:圆柱的表面积圆柱的体积
题型:选择题

阅读理解。

     Almost everyone likes dogs, and almost everyone likes to read about dogs. I have a friend. He has a big

police dog with the name Jack. Police dogs are very clever. Every Sunday afternoon my friend takes Jack

for a long walk in the park. Jack likes these long walks very much.  

     One Sunday afternoon a young man came to visit my friend. He stayed a long time. He talked and talked.

Soon it was time for my friend to take Jack for a walk. But the visitor still stayed. Jack became much worried.

He walked around the room several times and then sat down in front of the visitor and looked at him. But the

visitor paid no attention to Jack. He went on talking. At last Jack got angry. He went out of the room and came

back a few minutes later. He sat down again in front of the visitor, but this time he took the visitor's cap in his

mouth.

1. The young visitor stayed a long time in my friend's house, didn't he? [ ]

A. Yes, he was.

B. Yes, he did.

C. No, he wasn't.

D. No, he didn't.

2. Jack became worried because ______. [ ]

A. he wanted to go out for a walk 

B. he wanted to play with him    

C. he didn't know the young man  

D. he wanted to eat something

3. Jack sat down in front of the visitor because he wanted            . [ ]

A. the visitor to talk with him

B. to join the talk    

C. to show the visitor how clever he was

D. the visitor to leave the house soon

4. The visitor went on talking and ______. [ ]

A. he paid no attention to his cap

B. he didn't like Jack    

C. he paid no attention to Jack

D. he didn't know that his cap was taken away by Jack

5. At last Jack took ______ in his mouth. [ ]

A. food

B. nothing

C. the visitor's cap

D. the visitor's bag

题型:选择题

-May I ___________ your Chinese-English dictionary?

-Sorry, I ___________ it at home.[ ]

A. borrow; forget

B. lend; left

C. lead; left

D. borrow; left

题型:选择题

海洋货物运输保险的费率主要包括()。

A、进口货物费率

B、专门险费率

C、海洋运输战争险费率

D、附加险费率

E、战争险、罢工险费率

题型:选择题

我国《合同法》规定,工程施工合同应当采用( )。

A.其他形式
B.口头形式
C.书面形式
D.以上都不对

题型:选择题

烧结料原始透气性最好的水分比生产率最高水分值()。

A、小

B、大

C、相同

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