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【判断题】
热收缩处理后，板件背面的防腐层会破环，随后的防腐处理是必不可少的A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】最自然的休息方式
【单选题】He didn't answer me, ________, he asked me another question.
A.
as a result
B.
instead of
C.
instead
D.
therefore
【单选题】Though he didn't answer my questions quickly, the look on his face ___________ that he was satisfied with me.
A.
indicated表明
B.
input
C.
increased
D.
interacted
参考解析：
知识点：
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