中药生产企业有何特点？

（）是附在轿架上拖动限速器的一根钢丝绳。当限速器动作时，它会启动安全装置。

A、限速器

B、限速器超速开关

C、限速器绳

D、曳引轮

阅读短文回答问题。

      My name's Piko. Today is the School Sports Day in my school. Everyone in my class is very happy.

I'm really excited. I love running. I can run fast. I join in the running race. I want to win (赢). I come the

second. Billy wins the race.

     My friend, John, does not like running. He likes skipping (跳绳). He joins in the skipping race. Jane

and Sue are good friends. They join in the three-legged race (双人三腿赛跑) together. In the afternoon,

all the class work together in the tug-of-war (拔河). Everyone has a great time. What a fun day!

1. What does Piko like?

__________________________________________________

2. Does Billy win the race?

__________________________________________________

3. Can John skip?

__________________________________________________

4. Who join(s) in the three-legged race?

__________________________________________________

5. What race do all the class join in the afternoon?

__________________________________________________

某患者，女，23岁，一日洗澡时偶然发现左侧 * * 下方可及一椭圆形肿块，边界清楚，推之可移，无明显疼痛， * * 局部皮肤无明显异常。

上例患者首选何治疗方法：（）

A.中药外敷

B.口服中药治疗

C.手术切除

D.抗结核治疗

E.调畅情志

急性心肌梗塞时心肌组织弛豫时间延长的主要原因为（）

A.心肌组织含水量减少

B.心肌组织含水量不变

C.心肌组织代偿性增加

D.心肌组织含水量增加，T1和12值与心肌水分成线性关系

E.心肌组织含水量增加，T1和12值与心肌水分成非线性关系

定金的效力不包括（）。

A.证约效力

B.不溯及既往的效力

C.预先给付和抵销的效力

D.担保效力