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【多选题】
对于别人给予的帮助、支持，可用下列方式表达感谢（）。A.
幸亏您的帮助
B.
您辛苦了
C.
真不知怎样感谢您才好
D.
非常感谢
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反馈参考答案：
举一反三
【简答题】根据所给情景补全对话。 例: — What's the matter? — I have a fever. 1. — ______________________________? — I have ________________________. 2. — ______________________________? — ______________________________.
【简答题】offers a poor view even when the mirrors are used?_________
【简答题】反馈是指放大器的输出端把输出信号的 或者全部通过一定方式送回到放大器的 的过程。
【简答题】反馈是指放大器的输出端把输出信号的 或者全部通过一定方式回送到放大器的 过程。
【简答题】offers a poor view even when the mirrors are used?2：offers a poor view even when the mirrors are used?
【简答题】补全对话 (5分) （根据对话情景，选择适当的选项填入对话的空白处。） A: 小题1:__________________ B: It is not big but beautiful. A: How many students are there in your class? B. 小题2:______________ What about yours? A: Fifty students. ...
【简答题】补全对话。根据对话情景及首字母提示补全单词。 (It is Saturday afternoon. Sam and Amy are going to the cinema by bike. They are at crossing now.) Sam: S___________, Amy! The light is red. Amy: Oh, sorry. I didn't notice it. ...
【单选题】One can get a sunburn even________
A.
when it is absorbed by matter
B.
when it is cloudy
C.
because they can pass through solid objects D when the sunrays are fierce E．when a change in the nucleus of an atom takes place F．when electron rearrangement takes place
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