由谁负责检查维修工作的质量终检：（） A.服务经理 B.服务顾问 C.技术经理或质检

阅读理解。

     Jim gets up very early and he finds some changes (变化) in his house. He looks around carefully and he sees that:

◆ The big tree is on the right side of the house, but now it's on the left.  

◆ There is a dog house in the corner of the yard, but now it's gone (消失的).  

◆ The green clock in his bedroom changes into a yellow one.  

     "Mom! Mom! An alien (外星人) changes our house!" Jim runs to   his mom and says. Mom is cleaning the living

room. She's not surprised (惊讶的) at all. "Oh, it's your dad. He thinks our house is too boring and he wants to have

some changes. What do you think of the changes? Do you like them?"

1. The big tree is __________ of the house now.

A. on the left side    

B. on the right side    

C. in front            

D. at the back

2. The clock changes into a __________ one.

A. green      

B. yellow    

C. red    

D. pink

3. How many changes are there in Jim's house?

A. Three.    

B. Four.      

C. Five.    

D. We don't know.

4. Who changes Jim's house?

A. An alien.    

B. Jim's mother.  

C. Jim's father.  

D. Jim himself.

5. What's Jim's mother doing at that time?

A. She's cooking in the kitchen.        

B. She's watching TV in the living room.

C. She's sleeping in the bedroom.

D. She's cleaning the living room.

30℃时，在0.1mol/L的Na₂S、NaHS两溶液中均存在的关系是(　　 )。

A．c(H⁺)·c(OH^-)＜1×10^-14

B．c(Na⁺)=c(S^2-)+c(HS^-)+c(H₂S)

C．c(OH^-)=c(H⁺)+c(HS^-)+2c(H₂S)

D．c(Na⁺)+c(H⁺)=c(OH^-)+c(HS^-)+2c(S^2-)

某少数民族自治县的少数村民，在村民金某的带头下，违反政府禁令，种植了459株罂粟。当地公安机关发现这一情况后，派人前往向群众宣传烟毒的危害。其他村民都配合铲除了所种罂粟，只有金某以祖辈制药都种植罂粟为由拒不铲除，对金某的行为应当如何认定？（）

A、非法种植罂粟不满五百株或者其他少量毒品原植物的

B、非法种植毒品原植物罪

C、暴力抗法行为

D、不好认定

物体在凸透镜两倍焦距以外的时候，在透镜另一侧的光屏上得到一个______立的______像（填“虚”或“实”）；像比物______（填“大”或“小”）．利用这种性质制成______机．

凸轮擦伤主要原因是什么？