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【多选题】
常用的零担货源组织方法有()。
A.
实行合同运输
B.
设立零担货运代办点
C.
寻找合作
D.
建立货源情报制度
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【判断题】土壤保肥性是指土壤吸持各种离子、分子、气体和粗悬浮物质的能力，包括阳离子交换吸附和阴离子交换吸附两种类型，其中，阳离子交换吸附是土壤保肥的主要机理。
A.
正确
B.
错误
查看完整题目与答案
【简答题】离子交换吸附
查看完整题目与答案
【多选题】关于阳离子交换吸附和专属吸附正确的说法是( )
A.
专属吸附在任意 PH 值下均可发生，而阳离子交换吸附需大于零点电荷的 PH 值才可发生。
B.
专属吸附会使负电荷减少，正电荷增加。
C.
专属吸附发生在扩散层，阳离子交换吸附发生在吸附层。
D.
阳离子交换吸附吸附阳离子，释放等量阳离子，对表面电荷无影响。
查看完整题目与答案
【单选题】法国勒洛特园林的植物配置中的一大特点是大量应用( )。
A.
大面积草坪
B.
常绿大乔木
C.
整形修剪的绿篱
D.
自然式花境
查看完整题目与答案
【单选题】Since chimpanzees are genetically very similar to humans, ______.
A.
chimpanzees are likely to suffer AIDS just like humans if they are infected.
B.
it does not matter if human beings are infected with SIV rather than HIV - 1.
C.
we can use human vaccines to prevent chimpanzees from getting AIDS virus.
D.
AIDS vaccines based on chimp' s immune mechanism are possible to be made.
查看完整题目与答案
【单选题】Under what circumstance would chimpanzees collapse the table of other chimpanzees?
A.
Other chimpanzees happened to have more food.
B.
Other chimpanzees wanted to have a fight.
C.
Other chimpanzees took or stole food from them.
D.
Other chimpanzees entered their territory.
查看完整题目与答案
【单选题】基带同轴电缆的特性阻抗值一般为( )欧姆。
A.
20
B.
25
C.
50
D.
75
查看完整题目与答案
【单选题】Which of the following is NOT true of chimpanzees?
A.
Chimpanzees are often comfortable with strangers right away.
B.
Chimpanzees eat meat as well as plants and fruit.
C.
Chimpanzees use tools to help them get food.
D.
Different chimpanzees have different personalities.
查看完整题目与答案
【单选题】硅胶分离混合物的基本原理是
A.
物理吸附
B.
化学吸附
C.
半化学吸附
D.
氢键吸附
E.
离子交换吸附
查看完整题目与答案
【单选题】Since chimpanzees are genetically very similar to humans,
A.
chimpanzees are likely to suffer AIDS just like humans if they are infected.
B.
it does not matter if human beings are infected with SIV rather than HIV-
C.
we can use human vaccines to prevent chimpanzees from getting AIDS virus.
D.
AIDS vaccines based on chimp's immune mechanism are possible to be made.
查看完整题目与答案
相关题目：
【判断题】土壤保肥性是指土壤吸持各种离子、分子、气体和粗悬浮物质的能力，包括阳离子交换吸附和阴离子交换吸附两种类型，其中，阳离子交换吸附是土壤保肥的主要机理。
A.
正确
B.
错误
查看完整题目与答案
【简答题】离子交换吸附
查看完整题目与答案
【多选题】关于阳离子交换吸附和专属吸附正确的说法是( )
A.
专属吸附在任意 PH 值下均可发生，而阳离子交换吸附需大于零点电荷的 PH 值才可发生。
B.
专属吸附会使负电荷减少，正电荷增加。
C.
专属吸附发生在扩散层，阳离子交换吸附发生在吸附层。
D.
阳离子交换吸附吸附阳离子，释放等量阳离子，对表面电荷无影响。
查看完整题目与答案
【单选题】法国勒洛特园林的植物配置中的一大特点是大量应用( )。
A.
大面积草坪
B.
常绿大乔木
C.
整形修剪的绿篱
D.
自然式花境
查看完整题目与答案
【单选题】Since chimpanzees are genetically very similar to humans, ______.
A.
chimpanzees are likely to suffer AIDS just like humans if they are infected.
B.
it does not matter if human beings are infected with SIV rather than HIV - 1.
C.
we can use human vaccines to prevent chimpanzees from getting AIDS virus.
D.
AIDS vaccines based on chimp' s immune mechanism are possible to be made.
查看完整题目与答案
【单选题】Under what circumstance would chimpanzees collapse the table of other chimpanzees?
A.
Other chimpanzees happened to have more food.
B.
Other chimpanzees wanted to have a fight.
C.
Other chimpanzees took or stole food from them.
D.
Other chimpanzees entered their territory.
查看完整题目与答案
【单选题】基带同轴电缆的特性阻抗值一般为( )欧姆。
A.
20
B.
25
C.
50
D.
75
查看完整题目与答案
【单选题】Which of the following is NOT true of chimpanzees?
A.
Chimpanzees are often comfortable with strangers right away.
B.
Chimpanzees eat meat as well as plants and fruit.
C.
Chimpanzees use tools to help them get food.
D.
Different chimpanzees have different personalities.
查看完整题目与答案
【单选题】硅胶分离混合物的基本原理是
A.
物理吸附
B.
化学吸附
C.
半化学吸附
D.
氢键吸附
E.
离子交换吸附
查看完整题目与答案
【单选题】Since chimpanzees are genetically very similar to humans,
A.
chimpanzees are likely to suffer AIDS just like humans if they are infected.
B.
it does not matter if human beings are infected with SIV rather than HIV-
C.
we can use human vaccines to prevent chimpanzees from getting AIDS virus.
D.
AIDS vaccines based on chimp's immune mechanism are possible to be made.
查看完整题目与答案
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