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【简答题】
数据链路层的数据单元是【 】,而网络层的数据单元是【 】。
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皮皮学刷刷变学霸
举一反三
【单选题】A bus ________ into a c in southern India Thursday, killing 34 people.
A.
ditched
B.
soared
C.
declined
D.
plunged
【简答题】Nisha Somaia suggested that in India people usually express their disapproval of those who are overweight in a______way.
【单选题】What does the example of India illustrate?
A.
Wealth people tend to have fewer children than poor people.
B.
The upper class population is 80% smaller than that of the tribes.
C.
Natural selection hardly works among the rich and the poor.
D.
India is one of the countries with a very high birth rate.
【简答题】What is becoming more widely available to people in India?
【单选题】下列哪种溶液属于平衡盐溶液
A.
复方氯化钠溶液
B.
5%葡萄糖氯化钠溶液
C.
1.86%乳酸钠溶液和复方氯化钠溶液以2：1 之比配制
D.
1.86％的乳酸钠溶液和复方氯化钠溶液以1：2之比配制
E.
1.25%碳酸氢钠和等渗盐水以2：l之比配制
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