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【判断题】
理想低通滤波器的通带宽度与输入信号的带宽不相匹配时,输出就会失真。系统的通带宽度越大于信号的带宽,则失真越小,反之,则失真越大。( )A.
正确
B.
错误
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举一反三
【单选题】What does the idiom “ 鸡黍之交 ” refer to?
A.
E asy country life
B.
C lose friends
C.
H ard farming life
【单选题】What does the idiom "get cold feet" mean in Paragragh 9?
A.
be very restless or excited
B.
feel strong again after getting very tired
C.
very tidy or clean
D.
become or be afraid or reluctant to do sth.
【多选题】What does the idiom “jump on the bandwagon” mean ______?
A.
to do similar things what others are doing
B.
to follow the trend
C.
to get on a cart
D.
to go on a journey
【单选题】What does the idiom "Be there just to make up the number" mean in Chinese?
A.
卧薪尝胆
B.
曲高和寡
C.
滥竽充数
D.
声东击西
【单选题】What does the idiom mean in the following sentence?I have no stomach for scary movies, but my girlfreind does.
A.
lack the courage
B.
dislike
C.
be unable to watch
D.
feel very fancy
【简答题】2018年海峡两岸青年文创产品集市(展销会)1日在福州三坊七巷开幕。集市以_______为主题。 A.“文创两岸、情联一家” B.“青创两岸、情联一家” C.“文创两岸、情系一家” D.“青创两岸、情系一家”
【简答题】华丰公司用实际收到投资5万元直接归还到期银行借款,会导致负债减少,所有者权益( )。
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