【判断题】【消耗次数：1】
感抗和容抗随着电源频率的不同都要发生变化。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
随着季节的变化供给曲线而发生变化，当需求曲线不变，西红柿的供给曲线会随着西红柿的大量上市会（）
①
向左上位移
②
在原供给曲线上做上下移动
③
向右下位移
④
以上都不正确
【多选题】
产业发展逻辑发生变化的原因包括（）。
①
A.消费者需求是多元、多层次、个性化，且不断升级、不断变化的
②
B.消费者需求需要集成供给来满足，单一厂家、单一产品等难以满足消费需求的变化
③
C.工业时代受制于技术局限，难以识别终端用户真实、全面、即时的需求
④
D.产业供给端需要在专业分工的基础上完成协同供给
随机题目
【单选题】
Good morning, Dr Johnson’s office. Can I help you?
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Speaking, please
②
I’d like to make an appointment, please
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Yes, go on
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No, you can’t
【单选题】
The population of many Alaskan cities has __________ doubled in the past three years.
①
larger than
②
as great as
③
more than
④
as many as
【单选题】
The match was cancelled because most of the members __________ a match without a standard court.
①
objected to having
②
objected to have
③
were objected to have
④
were objected to having
【单选题】
- Shall we sit up here on the grass or down there near the water?
①
I’d rather stay here if you don’t mind
②
Sorry, I don’t like neither
③
Certainly, why not?
④
Yes, we like these two places
【单选题】
He said he would continue a support us _____ we didn’t break the rules.
①
as well as
②
as soon as
③
as far as
④
as long as
【单选题】
Can I have a look at your passport?
①
It is here
②
Here is it
③
Here you are
④
No, you can’t
【单选题】
Her sun – tanned face suggested that she __________ in excellent health.
①
be
②
is
③
was
④
were
【单选题】
Yesterday was my birthday. My mother .
①
made a cake to me
②
made a cake me
③
made for me a cake
④
made me a cake
【单选题】
That probably explains why public opinion is broadly __________ euthanasia (安乐死), or at least certain forms of it.
①
in relation to
②
in contrast to
③
in excess of
④
in favor of
【单选题】
Young children often can’t __________ between TV programs and commercials.
①
separate
②
distinguish
③
compare
④
contrast