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【单选题】
成品表面保护不采用玻璃保护层的重要前提是，发明了新的透明保护膜涂层，它既有（）的功能，又不影响绣品的色泽与质感。A.
防尘防水防污染
B.
防尘防虫防污染
C.
防虫防水防污染
D.
防尘防水防虫
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皮皮学刷刷变学霸
举一反三
【单选题】As soon as Jane_______theroom,she knew there was something wrong.
A.
Enters
B.
had entered
C.
entered
D.
was entering
【简答题】导游人员在带团过程中要充当管理者的角色，这要求导游要有很强的拉制能力。()
【单选题】What can we learn from the interview?
A.
Jane and Harry are sisters.
B.
Jane and Harry are undergraduates.
C.
Jane and Harry are postgraduates.
D.
Jane and Harry are teachers.
【单选题】Shared experience and common hatred toward the same enemy _________ together.
A.
bind
B.
bund
C.
bun
D.
bound
【简答题】有记忆接通延时定时器的IN输入电路断开时,当前值(__);
【简答题】有记忆接通延时定时器的IN输入电路断开时,当前值(__);
【简答题】What is the experience shared by many first-time visitors to China?
【简答题】有记忆接通延时定时器的IN输入电路断开时,当前值(__);
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