吸器（吸胞）

根据对话内容,从对话后的选项中选出能填入空白处的最佳选项.选项中有两项为多余的选项.    

A;   1    :

B; Only once. I went to see my uncle who lives in Guangzhou. I found it so interesting and so different

      from Hong Kong.

A:   2  

B; No. Nearly everyone rides a bike. There are more cars in Guangzhou than in most other Chinese

     cities, but still far fewer than here.

A; Riding bikes can keep people healthy.

B;   3   It's certainly better exercise than sitting in a car.

A: They must have many buses in Guangzhou, too. don't they?

B;  4    It's very noisy in the rush hours when people are coming and going from work. The ringing

    of bike bells and the bust's blowing the horns( 喇叭) make a terrible noise.

A:   5   

A. How often do you go to China?

B. I was told there aren't many cars.

C. Have you ever been to China?

D. It can't be much noisier than Hong K

E. Of course they do.

F. I don' t think so.

G. I suppose it does.

第二卷（共35分）

第四部分：写作（共两节，满分35分）

第一节：短文改错（共10小题；每小题1分，满分10分）

I’ll graduate from our school soon. How a          76. __________        

great three – year school life! I just find this                 77. __________        

really difficult to say goodbye to the nice

teachers or my dear good friends. They are always      78. __________        

kind for me and I will miss them forever.              79. __________         

Walk around the campus. I can still see               80. __________        

my footsteps through the colorful school life                 81. __________        

and everything will be careful kept in my              82. __________         

memory. I’m going to study harder than ever

to improve my English. I believe you work            83. __________        

hard, you’ll surely make a great progress. Let’s          84. __________        

try to make your dreams come true together.                 85.  __________       

小海探究氢氧化钠固体的性质时，未将盛氢氧化钠固体试剂的瓶塞塞紧，一段时间后发现它表面已潮解，并怀疑有可能变质了．

小海对该样品进行了系列探究：

[提出问题1]：该样品真的变质了吗？

[实验方案1]：取该样品少量于试管里，再向其中滴加稀盐酸溶液，观察到______说明样品真的变质了．产生上述现象有关反应的化学方程式为______；氢氧化钠发生变质反应的化学方程式为______．

[提出问题2]：该样品是部分变质还是全部变质？

[实验方案2]：取该样品少量于烧杯里，加适量的水，搅拌，全部溶解后，再向其中加入过量的氯化钡溶液，然后过滤出沉淀，再向滤液里滴加无色酚酞试液，观察到变成红色，得出结论：该样品部分变质．说明得出该样品是部分变质的根据是______．______

[提出问题3]：怎样除去样品中的杂质？

[实验方案3]：将样品全部溶于水，向其中加入适量的氢氧化钙溶液，发生反应的化学方程式为：______，反应完全后先______再______，即得到纯净的氢氧化钠固体．

（）是实现项目经理负责制的核心，构成项目经理工作的压力，是确定权利和利益的依据

A.责任

B.目标

C.权力

D.考核要求

量油尺在何种情况下严禁使用？