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【单选题】
光速不变原理指的是A.
一切惯性系中 , 真空中光速为一相同值
B.
在任何媒质中光速都相同
C.
任何物体的速度不能超过光速
D.
任何参考系中光速不变
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反馈参考答案：
举一反三
【单选题】Good morning, I come to collect your laundry.
A.
When can I have my laundry back?
B.
May I draw the curtain aside?
C.
What about the rate?
D.
Check the bill, please.
【简答题】请大家下载 ps绿色版 安装方法,自己熟悉界面 Photoshop-cs6-绿色版-安装方法.doc
【单选题】The laundry worker is making an apology _______ mis-delivering.
A.
against
B.
to
C.
for
D.
in
【简答题】阅读匹配 阅读材料，根据每段内容从A 至F中选出恰当的匹配内容。(共5小题，计10分) 小题1:No Bollywood movie is thought complete without a few songs and dances. In fact, music is an important part of Bollywood movies. Even a bad movie can ...
【简答题】Henry cannot resist the lure of drugs.
【简答题】Fill in the blanks to complete the words, and then match the corresponding Chinese version . For example, you will see, 1. straight__ A. 挺直 v. then your answer should be 1. en, A 1. triu____...
【简答题】A．contain B．supply C．offer D．resist
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