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【单选题】
对氧弹量热做高度抛光处理的目的是( )。A.
减少介质流动阻力
B.
减少热辐射
C.
减少空气对流
D.
减少样品损失
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】—Jenny, what would you like to eat for lunch, pizza, pasta or sushi? —_______ I have a good appetite.
A.
Sounds good.
B.
You’re so considerate.
C.
It’s up to you.
D.
It depends.
【判断题】Passive euthanasia is more acceptable than active euthanasia, and the latter causes a number of debates.
A.
正确
B.
错误
【判断题】Active euthanasia is legal or de facto legal in only a handful of countries (ex. Belgium, Canada, Switzerland) & is limited to specific circumstances & the approval of councilors & doctors or other sp...
A.
正确
B.
错误
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