对3岁以上的儿童评估疼痛的程度时，选择的最佳工具是（） A.数字疼痛评估工具 B

阅读理解。

     Do you know about Deng Yaping, Wang Nan, Ma Lin well? Yes, they are famous Chinese Ping-Pong

players. Ping-Pong is a very popular sport game in China. People of different ages like playing it. Li Bo is

my best friend, his favorite sport is Ping-Pong, But I like baseball best. He knows about many famous

Ping-Pong players, but he doesn't know about any famous baseball stars.

     Baseball is one of the most popular sports in the USA. Children like playing it very much. They often play

baseball in fields or parks. Each team has nine players. The baseball season usually goes from April to

September. During that time, there are many baseball matches on TV. Many people will watch them. At the

end of the game season, the two top teams play against each other. The winner comes from the greatest team.

     So many people love sports in different ways now. They play sports themselves, they watch the games

on TV, or they may have sports collections. Sports are an important part of our life. Doing sports is good for

our health. Playing ball games can also bring us great pleasure.

     Do you like sport? Do you like playing sports? If not, come on, choose one to do from now on. You'll be

happier than before.

1. What sport is very popular in China?

A. Tennis.

B. Baseball.

C. Ping-Pong.

2. Who likes baseball best?

A. Wang Nan.

B. The writer.

C. Ma Lin.

3. Where do the children often play baseball?

A. On playgrounds.

B. In school.

C. In fields or parks.

4. How many players are there in each baseball team?

A. Nine.

B. Two.

C. Eleven.

5. Playing ball games can ______.

A. give us pain

B. make us happy

C. make us sad

粮食经营者对粮食行政管理部门的处理决定不服的，可依法向什么部门申请行政复议？

①请你在图甲中作出反射光线OB的入射光线AO，并在图乙中完成透镜的光路图。

②请你在图丙中画出足球被运动员踢出后受力的示意图（不计空气阻力）。

                                 图甲                                图乙                           图丙

无效的民事行为______。

A．从行为被认定无效起没有法律约束力
B．具有部分法律约束力
C．经当事人认可具有法律约束力
D．从行为开始起就没有法律约束力

终缩聚压力探头切换前应检查的内容包括（）

A、FIN的液位、压力控制打手动

B、将探针收起，并确保手动的球阀不要关闭

C、操作人员要穿全套防热工作服

D、检查备用压力喷嘴确保完好备用