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【单选题】
关于声现象，以下说法正确的是 [ ]A.
声音只能在空气中传播
B.
声音在钢铁中比在空气中传播得快
C.
美妙的歌声是同学们口中的空气振动产生的
D.
“震耳欲聋”是描述声音的音色
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】第四代计算机采用的逻辑元件是
A.
Telnet和FTP
B.
Modem和ISDN
C.
IE和Netscape
D.
Outlook Express和Foxmail
E.
Internet和Intranet
【单选题】There a birthday party this Sunday.
A.
will be
B.
shall be
C.
shall going to be
D.
will going to be
【单选题】There a birthday party this Sunday.
A.
shall be
B.
will be
C.
shall going to be
D.
will going to be
【单选题】— I'd love to go to the party with you tonight. — Oh, I'm sorry, there be a party because of the coming exam. [ ]
A.
mustn't
B.
needn't
C.
can't
D.
oughtn't
【简答题】第四代计算机采用的逻辑元件为 。
【单选题】There a Christmas party in Sunshine Secondary School next Friday evening.
A.
is going to
B.
will have
C.
is going to have
D.
will be
【单选题】There a birthday party thi night.
A.
shall be
B.
will be
C.
shall going to be
D.
will going to be
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