从2005年1月13日起，施工单位从事建设工程的施工，必须同时拥有( )。 A．资

阅读理解。

      Mr Young worked in a factory.  He was an able (有能力的) worker and could get more money than

  his workmates.  His wife was able,  too.  She did all the housework and took good care of her

 children.  They were never worried about food or clothes.  But they were both miserly (吝啬) and tried to

  save everything.  Their family wore old and broken clothes.  He always went to work and their children

  went to school on foot.

    One afternoon, while Mrs Young was cooking supper, she heard the bell.  A man said on the

 telephone,  "I'm sorry to tell you something unlucky.  Your husband died in an accident. "

    The woman hardly believed her ears.  "When did it happen?" she shouted sadly.  "At four, Mrs Young. "

    "It's half past five!" the woman said angrily.  "Why didn't you tell me about it an hour ago? I've cooked

 supper for him ! "

     "Everything was confused (混乱的) here at that moment and all of us forgot it. "

     "What were his last words? "

     "He asked us to retell you he wouldn't go back for supper!"

1. Mr Young was able, so_____.

    A.  he wore old clothes            

    B.  he spend twenty to work on foot

    C.  he lived a happy life          

    D.  he got more money

2. Mr Young's children went to school on foot because_____.

    A.  they were poor

    B.  his parents tried to save money

    C.  there were no buses in the town

    D. they hoped to do morning exercises

3. Mrs Young began to cook supper at_____.

    A.  four      

    B.  half past four      

    C.  five      

    D.  half past five

4. The phrase "last words " in the story means_________.

    A. 最后一些词语            

    B. 最后一些话

   C. 遗言                    

    D. 嘱托

5. Mrs Young became angry because          .

    A. she wasn't told about the bad news before she cooked supper.

    B.  the factory didn't retell her husband's last words in time.

    C.  she couldn't see her husband before he died.

    D.  she didn't know whether her husband's last words were real.

求下列各组数的最大公因数和最小公倍数．

8和9；

16和64；

18和45．

我与音乐的关系极为亲密，在所有的艺术里，音乐是最有感觉的，而感觉又是一个无形的东西。它最容易以最快的速度，闪电般地进入你心灵最中间的那个地方。音乐是充满着灵性的，和其它艺术的表现形式都不一样，而且它和任何艺术之间都有着“通感”。 冯骥才这段文字给人的重要启示是( )。

A．音乐在所有的艺术里是最有感觉的

B．音乐是充满着灵性的，和其它艺术的表现形式不一样

C．人必须有欣赏音乐的耳朵，培养自己的灵性和感觉

D．音乐和任何艺术之间都有着“通感”

如图所示是采用动力学方法测量空间站质量的原理图，已知飞船质量为3.0×10³kg．在飞船与空间站对接后，推进器对它们的平均推力大小为900N，推进器工作了5s，测出飞船和空间站速度变化了0.05m/s，求

（1）飞船和空间站的加速度大小；

（2）空间站的质量；

（3）飞船对空间站的作用力大小．

特约商户发生涉嫌欺诈交易金额在10万元以下，应由县级联社应急处置领导小组相关负责人应赶赴现场，调查情况，指导处置工作（）