下表是元素周期表的一部分，有关说法正确的是 [ ] A．d的氢化物比e的氢化物稳

阅读理解。

     Sarah lives in the country, and she loves playing in the river near her house. But her father gets a job

in a big city, and he moves there with his family.

    Their new house has a garden, but the garden is very small. Sarah isn’t happy. "Is there a river near

here?" she asks her mother on the first morning. Her mother answers, “No, there isn’t, but there is a nice

park near here and there is a pool in it. We are going there this afternoon.” Sarah is happy now.

    After lunch, Sarah and her mother go to the park. Sarah wants to walk near the pool, but there is a

sign(标志) before it. Her mother reads it to her, "Warning(警告): This pool is dangerous. 367 people

fell(跌倒) into it." Sarah looks into the pool carefully , and she says, "But I can’t see them."  

1. Sarah likes playing _______ very much.

A. in the park        

B. in the garden      

C. in the river      

2. Sarah’s father works _______.

A. in the country    

B. in a big city      

C. in a small city      

3. There is _______ near Sarah’s new house.

A. a park          

B. a garden          

C. a zoo            

4. Sarah goes to the park with _______.

A. her father        

B. her mother        

C. her teacher        

5. Why can’t Sarah see the people in the pool?

A. Sarah’s mother doesn’t let her see.      

B. She is too young.

C. There are no people in the pool.        

暗红色脓血便，肛门部局部无红肿常见于

A．腹痛、发热、黄疸
B．水量便鲜血
C．出血伴腹痛高热
D．出血速度慢、便血为主
E．出血速度快、呕血或便血

当前世界上最有影响的国际黄金市场主要有( )

A．伦敦黄金市场

B．苏黎世黄金市场

C．香港黄金市场

D．纽约黄金市场

E．芝加哥黄金市场

在闪光焊焊钢轨时，（）不属于顶锻的作用。

A.挤平因过梁瀑破留下的火口

B.使焊缝形成铸造组织

C.排除氧化夹杂

D.促进焊缝的再结晶