下列属于四川盆地与青藏高原的分界线是（ ） A．雪峰山 B．横断山 C．祁连山

根据短文内容，选择最佳答案。

　　Hello. My name is Michael. I am an American boy. I'm in Class 5, Grade 1.

I have a good friend. His name is Wang Wei. We are in the same class. There are

fifty students in our class. We have a nice classroom. It is big and bright

(明亮的). There are some flowers on the window. There is a Stamp Collection

Show on the wall. There is a blackboard in the front of our classroom. There is a

map of China on the front wall. There is a football and a basketball on the floor.

We often play them after school. Our English teacher is Mr. King. Our Chinese

teacher is Miss Chen. They are good teachers and also our good friends.

1. Michael is from _____.

A. England            

B. America              

C. Canada

2. There are _____ desks and chairs in the classroom.

A. forty                

B. sixty                  

C. fifty

3. The map of China is _____. 

A. on the back wall      

B. on the front wall        

C. on the floor

4. _____ teaches us English.

A. Mr. King            

B. Michael              

C. Miss Chen

5. _____ are good friends.

A. Wang Wei and I  

B. The teachers and the students  

C. Both A and B

如图所示，刚从酒精中拿出来的温度计示数会变小，这是因为温度计玻璃泡上的酒精

A．熔化吸热

B．汽化吸热

C．升华吸热

D．液化放热

信息公开的宪法基础是信息自由权。（）

对于ACEI类降压药，下列说法不正确的是

A．作为新型的降压药，是治疗高血压史的一大飞跃
B．逐渐成为治疗高血压的首选药物或一线药物
C．妊娠，肾动脉狭长，肾功能衰竭患者也可使用
D．高血压合并糖尿病，或并发心功能不全患者适用
E．B和A均正确

飞机在地面移动前，应确认（）

A.所有浮动物品固定好

B.舱门分离器预位

C.所有旅客坐好，系好安全带

D.全部都对