皮皮学，免费搜题
登录
搜题
【判断题】
功率放大器就是把小的输入功率放大为大的输出功率供给负载。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Percentage change in P is approximately equal to the percentage change in:
A.
M.
B.
M minus percentage change in Y.
C.
M minus percentage change in Y plus percentage change in velocity.
D.
M minus percentage change in Y minus percentage change in velocity.
【单选题】Which of the following is NOT true，according to the passage?
A.
Americans believe individualism is central to their identity．
B.
American life combinates teamwork with individualism．
C.
Jazz reflects two conflicting factors of American life．
D.
Jazz fused elements from Africa and Europe into a new culture．
【单选题】听力原文：When our children are made' confident that they are positive and competent individuals, they will adapt themselves to the changing society and successfully accomplish personal goals. (30)
A.
We are sure that our children will become positive members of the changing society.
B.
Children with self-esteem can make positive adjustment and achieve career success.
C.
Personal goals can be reached with the help of parents who are competent members of the society.
D.
Parents with confidence will adapt themselves to the changes and accomplish personal goals.
【单选题】Richard Cramer was awarded a Pulitzer Prize for his ______ on the effects of war on individuals in the Middle East.
A.
commentary
B.
communication
C.
assertion
D.
declaration
【单选题】According to the passage, the author's attitude to unemployment is that ______
A.
the individuals were to blame
B.
the loss of overseas trade was to blame
C.
the unemployed cannot understand why
D.
it was not the individual's fault
【单选题】对于联想c340拆卸意见正确的是。( )
A.
外壳拆卸看卡扣，螺丝安装看长短。
B.
模块接口要先记，线缆走位留空间。
C.
功能跳线别搞乱，风扇散热不简单。
D.
以上说法均正确。
【单选题】Which of the following is NOT offered as an education strategy?
A.
Focus on students' individual strengths.
B.
Arrange time for peer-tutoring every day.
C.
Say sorry to students when needed.
D.
Correct students' mistakes whenever possible.
【单选题】The difference between a change in quantity supplied and a change in supply is that a change in:
A.
quantity supplied is caused by a change in a good's own, current price, while a change in supply is caused by a change in some other variable, such as input prices, prices of related goods, expectations, or taxes.
B.
supply is caused by a change in a good's own, current price, while a change in the quantity supplied is caused by a change in some other variable, such as input prices, prices of related goods, expectations, or taxes.
C.
quantity supplied is a change in the amount people want to sell, while a change in supply is a change in the amount they actually sell.
D.
supply and a change in the quantity supplied are the same thing.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
