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【单选题】
关于无连接的通信，下面描述中正确的是（）A.
无连接的通信较适合传送大量的多媒体数据
B.
由于通信双方的通信线路都是预设的，所以在通信过程中无需任何有关连接的操作
C.
由于每一个分组独立地建立和释放逻辑连接，无连接的通信具有较高可靠性
D.
无连接的通信协议UDP不能运行在电路交换或租用专线网络上
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【单选题】One of her eyes is hurt, but her _____ eye is OK.
A.
anothers
B.
other
C.
others
D.
the other
【单选题】关于产褥期恶露情况，下列哪项是错误的
A.
恶露由血液、坏死蜕膜组织和粘液组成
B.
正常恶露无臭味，持续约7~8周
C.
分为血性、浆液和白色恶露
D.
血性恶露持续3~4日后变为浆液恶露，10日左右变为白色恶露
E.
如恶露增多、血性恶露持续时间长应考虑子宫复旧不全
【单选题】Ian lost one eye in a childhood accident, but he nonetheless had a very successful athletic career. 6. The speaker thinks that___.
A.
Ian achieved a lot as an athlete
B.
Ian’s blind eye prevented him from athletics
C.
Ian’s success depended on his childhood experience
D.
Ian trained so hard in athletics as to lose one eye
【单选题】The treatment of eye problems is so important ______
A.
because one only gets one pair of eyes; delay in treatment or inadequate treatment may cause permanent eye damage
B.
because the eyes are the windows to the soul
C.
because adults need to wash out their eyes in a shower periodically
D.
because only physicians can treat eye bums
【单选题】Eye ________ is important because a wrong one may create a communication barrier.
A.
contact
B.
contest
C.
content
D.
context
【单选题】The jumps from one eye fixation to the next are called ______.
A.
staccado
B.
saccate
C.
saccadic
D.
static
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