2007年中国什么资源总量比常年减少了8.7%() A.煤炭 B.天然气 C.水 D

题型:单项选择题

问题:

2007年中国什么资源总量比常年减少了8.7%()

A.煤炭

B.天然气

C.水

D.森林

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题型:单项选择题


(每题的备选项中,只有1个最符合题意)

某工程公司中标承包一城市道路施工项目,道路总长15km,路面采用沥青混凝土。该路地处平原地区,路基横断面的填方3~6m高的路堤为主,借方量大,借方的含石量40%~60%。地表层以黏土为主,地表层土厚7~8cm,土的天然含水量为40%~52%,地表无常年积水,孔隙比为1.2~1.32,属典型的软地基。

土中水的体积与土中孔隙体积之比为土的( )指标。

A.含水量

B.饱和度

C.界限含水量

D.孔隙比

题型:单项选择题

阅读理解。

     One of Harry's feet was bigger than the other. "I can't find suitable shoes for them," he said to his

friend, Jack.

     "Why don't you go to a shoemaker?" Jack said, "A good one can make you the right shoes. "

     "I don't want to go to any shoemaker, " Harry said, "Aren't they very expensive? "

      "No," Jack said, "Some of them aren't. There's a good one in our town. Here's his address."

      Harry went to the shoemaker in Jack's town a few days later, and the shoemaker made him some

shoes.

      Harry went to the shop again a week later and looked at the shoes. Then he said to the shoemaker

angrily, "You are a foolish man! I told you to make one shoe bigger than the other, but you made one

smaller than the other. "

1. What was Harry's trouble?

    ________________________________________________________________________

2. Did Jack help him?

    ________________________________________________________________________

3. What did Jack give Harry?

    ________________________________________________________________________

4. When did Harry go to the shoemaker first?

    ________________________________________________________________________

5. Was Harry pleased with his new shoes?

    ________________________________________________________________________

题型:单项选择题

从A地到B地,甲车要用4小时,乙车要用5小时,甲车的速度比乙车快______%,乙车的速度比甲车慢______%.

题型:单项选择题

拉削分为()拉削和()拉削。

题型:单项选择题

一般技术操作建造木板密闭对托泥板的要求是()

A.托泥板宽度为30-60mm

B.与顶板间距为30-50mm

C.两个头钉子距板头间距不大于50mm

D.托泥板不少于3个钉子

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