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【简答题】
He went out of the room and came back a few minutes later.
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皮皮学刷刷变学霸
举一反三
【简答题】根据肿瘤组织来源和分化程度可将肿瘤按其对放射线的敏感程度分为____、____和____。
【简答题】效率与效益相比较，（ ）是第一位的。
【简答题】根据音标写出单词 /kɑːrtu:n/
【简答题】E Twenty years ago, most experts believed that differences in how boys and girls behaved were mainly due to differences in how they were treated by their parents, teachers, and friends. It’s hard to c...
【判断题】TIG焊机引弧装置的高频震荡器可输出2000~3000V,150~260KHz的高频高压电,当接通电源后,钨极和焊件相距2mm左右就能使电弧引燃。
A.
正确
B.
错误
【单选题】Good morning, boys and girls!
A.
Good morning ,Miss Wang!
B.
This is classroom. It’s big!
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