事故是用的血和泪来书记的，规章是用前人的血换来的。

阅读短文，完成下面句子，每空一词。

Body language is the message behind our voice. Facial expressions , gestures，changes of posture(姿势) and other behavior can show your thoughts and feelings. Here are some gestures you may use every day. They are useful when you communicate with others. Remember them and they can help you understand others better.

Muscles Clenching (收紧) : That might show your aggression (攻击性) and anger. When you see someone clenching his or her muscles, that means that he or she may be angry. He or she may attack you. Be careful.

Point with fingers: The person with that behavior might mean he or she is telling something important. He or she tries to explain the matter more clearly.

The moving of arms: That might show that he or she wants to continue the discussion or hopes to moderate (使缓和) an argument.

Opening eyes: A guy has eyes wide opened. That might mean he or she is accepting a new idea, but with great difficulty. When you see someone with opening eyes, you should explain the matter to him or her again.

小题1:Your body language can show your _________ and ________.

小题2:Muscles clenching might show your _________and __________.

小题3:You should be_________ when you see someone ________muscles.

小题4:If you are telling something________, you can use your _________ to point at it.

小题5:If you want to continue the__________, you can _________ your arms.

门限电平的含义是（）。

A.在系统传输特性劣于某一特定误码率的情况下，收信机所能达到的最低接收电平；

B.收信机不发生告警时的最低接收电平；

C.限制收信机输入端所能接收的最高输入电平，输入信号超过此电平将导致收信机误码

女人：教授

A．动物：植物
B．太阳：地球
C．水银：物质
D．青年：医生

下列关于冠状动脉分布类型，哪项正确（）

A.左心室主要由左冠状动脉分布，称为左冠优势型

B.右心室主要由左冠状动脉分布，称为左冠优势型

C.左心室主要由右冠状动脉分布，称为右冠优势型

D.右心室主要由右冠状动脉分布，称为右冠优势型

E.左心室膈面由左、右冠状动脉分布，称为均衡型

既能治肺胃出血，又能消散痈肿、生肌敛疮的药物是（）

A.藕节

B.棕榈炭

C.仙鹤草

D.白及

E.血余炭