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【单选题】
半导体中参与导电的载流子有( )
A.
电子
B.
空穴
C.
电子和空穴
D.
全错
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参考解析：
知识点：
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【单选题】元素周期表里金属元素和非金属元素分界线附近能找到
A.
制农药元素
B.
制催化剂元素
C.
制半导体元素
D.
制耐高温合金元素
查看完整题目与答案
【单选题】下列哪个企业物流系统经营的安全程度最高?
A.
安全边际率为 50%
B.
安全边际率为 35%
C.
安全边际率为 10.5%
D.
安全边际率为 10%
查看完整题目与答案
【单选题】The expansionary fiscal policy has ______
A.
lessened the economic recession but increased the government debt.
B.
lessened the economic recession and decreased the government debt.
C.
worsened inflation but decreased the government debt.
D.
lessened inflation but increased the government debt.
查看完整题目与答案
【单选题】元素周期表里金属元素和非金属元素分界线附近能找到可以用来制成
A.
催化剂的元素
B.
新农药的元素
C.
半导体的元素
D.
耐高温的合金元素
查看完整题目与答案
【单选题】We learn from the first 2 paragraphs that
A.
economic recession has made work dreadful for most CEOs.
B.
the burnout scenario is not uncommon among senior leaders.
C.
managers today are unable to deal with workers' job fatigue.
D.
the lives of CEOs are more stressful than those of employees.
查看完整题目与答案
【判断题】醛固酮能够促进肾近曲小管重吸收钠水。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Because of the economic recession, many small businesses are having difficulty ______ their budget.
A.
manage
B.
managing
C.
to manage
D.
management
查看完整题目与答案
【单选题】元素周期表里金属元素和非金属元素分界线附近能找到
A.
新制农药元素
B.
制催化剂元素
C.
制半导体元素
D.
制耐高温合金元素
查看完整题目与答案
【单选题】What does Christina Romer say about the current economic recession?
A.
Its severity is no match for the Great Depression of 1929.
B.
Its initial blow to confidence far exceeded that of 1929.
C.
It has affected house owners more than stock holders.
D.
It has resulted in a freee fall of the prices of commodities.
查看完整题目与答案
【简答题】What is the passage mainly talking about? A) The economic recession will last a few years. B) More people are taking their skills online to make money. C) Asking for advice through the Internet is a g...
查看完整题目与答案
相关题目：
【单选题】元素周期表里金属元素和非金属元素分界线附近能找到
A.
制农药元素
B.
制催化剂元素
C.
制半导体元素
D.
制耐高温合金元素
查看完整题目与答案
【单选题】下列哪个企业物流系统经营的安全程度最高?
A.
安全边际率为 50%
B.
安全边际率为 35%
C.
安全边际率为 10.5%
D.
安全边际率为 10%
查看完整题目与答案
【单选题】The expansionary fiscal policy has ______
A.
lessened the economic recession but increased the government debt.
B.
lessened the economic recession and decreased the government debt.
C.
worsened inflation but decreased the government debt.
D.
lessened inflation but increased the government debt.
查看完整题目与答案
【单选题】元素周期表里金属元素和非金属元素分界线附近能找到可以用来制成
A.
催化剂的元素
B.
新农药的元素
C.
半导体的元素
D.
耐高温的合金元素
查看完整题目与答案
【单选题】We learn from the first 2 paragraphs that
A.
economic recession has made work dreadful for most CEOs.
B.
the burnout scenario is not uncommon among senior leaders.
C.
managers today are unable to deal with workers' job fatigue.
D.
the lives of CEOs are more stressful than those of employees.
查看完整题目与答案
【判断题】醛固酮能够促进肾近曲小管重吸收钠水。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Because of the economic recession, many small businesses are having difficulty ______ their budget.
A.
manage
B.
managing
C.
to manage
D.
management
查看完整题目与答案
【单选题】元素周期表里金属元素和非金属元素分界线附近能找到
A.
新制农药元素
B.
制催化剂元素
C.
制半导体元素
D.
制耐高温合金元素
查看完整题目与答案
【单选题】What does Christina Romer say about the current economic recession?
A.
Its severity is no match for the Great Depression of 1929.
B.
Its initial blow to confidence far exceeded that of 1929.
C.
It has affected house owners more than stock holders.
D.
It has resulted in a freee fall of the prices of commodities.
查看完整题目与答案
【简答题】What is the passage mainly talking about? A) The economic recession will last a few years. B) More people are taking their skills online to make money. C) Asking for advice through the Internet is a g...
查看完整题目与答案