牙冠折引起牙本质暴露的正确处理是()A．观察 B．只需将锐利的边缘磨除 C．间接盖髓

阅读理解。

     Do you have a brother or a sister? Do you have two tennis rackets and tennis balls? You can play

tennis. Two or four people can play tennis. Do you have a basketball? Do you have two brothers or

sisters? Can your mother and father play? Five people can play basketball. Volleyball needs six people

for each team. But baseball needs a big family. A baseball team has nine people. You need a baseball

bat and a ball.

1. _______ people can play tennis.

A. Five                      

B. Nine

C. Three                    

D. Two or four

2. You want to play tennis, you need _______.

A. two tennis rackets

B. a tennis racket and a ball

C. two tennis rackets and a ball

D. a tennis racket and two balls

3. A basketball team needs _______ people.

A. two or four            

B. five

C. six                        

D. nine

4. Nine people play baseball, and they need _______.

A. a baseball and a bat

B. nine baseballs and a bat

C. a baseball and nine bats

D. nine baseballs and bats

5. A volleyball team needs _______ .   .

A. a volleyball and two people

B. five people and a volleyball

C. six people and a volleyball

D. a volleyball and rackets

补写出下列名篇名句中的空缺部分。（5分，每空1分）

⑴____________,内无应门五尺之童（李密《陈情表》）

⑵惟江上之清风，_____________，耳得之而为声，_____________（苏轼《赤壁赋》）

⑶云销雨霁，_____________。_____________秋水共长天一色（王勃《滕王阁序》）

我国对建设项目的环境影响评价实行分类管理制度。根据《环境影响评价法》的规定，下列哪些说法是正确的?()

A.可能造成重大环境影响的建设项目，应当编制环境影响报告书，对产生的环境影响进行全面评价

B.可能造成轻度环境影响的建设项目，应当编制环境影响报告表，对产生的环境影响进行分析或者专项评价

C.环境影响很小的建设项目，不需要进行环境影响评价，无需填报环境影响评价文件

D.环境影响报告书和环境影响报告表，应当由具有相应资质的机构编制

确定会计政策变更对列报前期影响数不切实可行的，不应进行追溯调整，应当采用未来适用法进行会计处理。 ( )

小儿出生时，大脑的重量是（）

A.350g

B.300g

C.370g

D.380g

E.390g