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【单选题】
运行“var_dump('$a');”,输出的结果正确的是:
A.
true
B.
false
C.
报错
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参考答案:
举一反三
【单选题】— What was the _________________________ the day before yesterday? —It was April 6th.
A.
temperature
B.
day
C.
time
D.
date
查看完整题目与答案
【单选题】将模拟信号转换成数字信号应选用( )。
A.
模数转换器
B.
数模转换器
C.
运算放大器
D.
JK触发器
查看完整题目与答案
【单选题】将数字信号转换成模拟信号应选用( )。
A.
数模转换器
B.
模数转换器
C.
运算放大器
D.
D触发器
查看完整题目与答案
【单选题】Before the 20th century the horse provided day-to-day transportation in the United States. Trains were used only for long-distance transportation. Today the car is the most popular【C1】______of transpo...
A.
kinds
B.
sort
C.
means
D.
types
查看完整题目与答案
【单选题】Is this museum _______some German friends visited the day before yesterday?
A.
which
B.
that
C.
where
D.
the one
查看完整题目与答案
【单选题】Helen apologized for ______ to attend the party.
A.
her not being able
B.
her being not able
C.
her to be not able
D.
her not to be able
查看完整题目与答案
【简答题】A.Helen is similar to her mother. B.Helen will be a good police. C.He likes Helens mother. D.He knows Helen very well.
查看完整题目与答案
【单选题】Is this factory _____ you and your mother visited the day before yesterday? [ ]
A.
that
B.
which
C.
the one
D.
where
查看完整题目与答案
【简答题】Helen will have that dress altered to fit her.
查看完整题目与答案
【判断题】将模拟信号转换成数字信号应选用模数转换器,将数字信号转换成模拟信号应选用数模转换器。
A.
正确
B.
错误
查看完整题目与答案
相关题目:
【单选题】— What was the _________________________ the day before yesterday? —It was April 6th.
A.
temperature
B.
day
C.
time
D.
date
查看完整题目与答案
【单选题】将模拟信号转换成数字信号应选用( )。
A.
模数转换器
B.
数模转换器
C.
运算放大器
D.
JK触发器
查看完整题目与答案
【单选题】将数字信号转换成模拟信号应选用( )。
A.
数模转换器
B.
模数转换器
C.
运算放大器
D.
D触发器
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【单选题】Before the 20th century the horse provided day-to-day transportation in the United States. Trains were used only for long-distance transportation. Today the car is the most popular【C1】______of transpo...
A.
kinds
B.
sort
C.
means
D.
types
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【单选题】Is this museum _______some German friends visited the day before yesterday?
A.
which
B.
that
C.
where
D.
the one
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【单选题】Helen apologized for ______ to attend the party.
A.
her not being able
B.
her being not able
C.
her to be not able
D.
her not to be able
查看完整题目与答案
【简答题】A.Helen is similar to her mother. B.Helen will be a good police. C.He likes Helens mother. D.He knows Helen very well.
查看完整题目与答案
【单选题】Is this factory _____ you and your mother visited the day before yesterday? [ ]
A.
that
B.
which
C.
the one
D.
where
查看完整题目与答案
【简答题】Helen will have that dress altered to fit her.
查看完整题目与答案
【判断题】将模拟信号转换成数字信号应选用模数转换器,将数字信号转换成模拟信号应选用数模转换器。
A.
正确
B.
错误
查看完整题目与答案
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