皮皮学，免费搜题
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【单选题】
下列宝石中热导率最高的是A.
红宝石
B.
钻石
C.
祖母绿
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】A: Has everyone submitted their proposals to me? B: ______.
A.
Yes, everybody has submitted themselves.
B.
Yes, everybody proposed to you.
C.
Only Fred didn't.
D.
You must wait for Fred.
【简答题】请写出135°拼块的加工工艺步骤。
【单选题】Everybody _________spend ___________ in bed.
A.
has to; some time
B.
have to; some time
C.
has to; sometimes
D.
have to; sometimes
【简答题】请写135°拼块加工步骤。
【单选题】Discovering consists of seeing what everybody has seen and what nobody has thought.
A.
think
B.
thinking
C.
thought
D.
to think
【简答题】拓展训练最早的面向对象是A. 海员
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