某心理治疗师，在公园遇见一位他的患者正与其熟人在一起游玩，正

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问题单项选择题

某心理治疗师，在公园遇见一位他的患者正与其熟人在一起游玩，正好面对面，但是这位治疗师看到，他的患者并未主动与其打招呼，因而他故意装不认识而未理睬他的患者。因为他知道，心理治疗要注意的一个原则是

A．保密原则
B．真诚原则
C．中立原则
D．回避原则
E．灵活原则

答案

参考答案：A

阅读理解

Rule One	Rule two

1. You can come into the room only with your teacher.	Here are the rules for Emily. 1. You must get up before 6:30am.
2. Don 't eat or drink in the room.	2. Don’t listen to music.
3. Don ' t listen to music	3. Don’t talk loudly on the phone.
.4. Be quiet. Don’t talk to each other	4. Go to bed by 10:00 pm
.5. Turn off all the computers and close windows after class.	.5. You can’t meet friends if you don’t finish your homework
	.6. Clean your bedroom yourself.

小题1:In the two rules isn' t be allowed不允许.

A．eating or drinking	B．listening to music
C．meeting friends	D．coming into the room

小题2:When does Emily get up?

小题3:Rule One may be for a                 .
A. computer room      B. classroom C,bedroom            D. dining room
小题4:The underlined word “finish” means   in Chinese.

小题5: Which rule is NOT for Emily?

A．Turn off the computers and close windows

B．Don' t listen to music.

C．Don t talk loudly on the phone.

D．Clean your bedroom yourself.

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单项选择题

The usual way to ensure reliable delivery is to provide the (16) with some feedback about what is happening at the other end of the line. Typically, the protocol calls for the receiver to send back special (17) frame bearing positive or negative (18) about the incoming frames. If the sender receives a positive acknowledgement about a frame, it knows the frame has arrived safely.On the other hand, a negative acknowledgement means that something has gone wrong, and the frame must be transmitted again. An additional complication comes from the possibility that hardware troubles may cause a frame to (19) completely. In this case, the receiver will not react at all, since it has no any reason to react. It should be clear that a protocol in which the sender transmits a frame and then waits for an acknowledgement, positive or negative, will hang forever if a frame is ever lost due to, for example, (20) hardware.

（16）是（）

A.receiver

B.controller

C.sender

D.customer

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