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【简答题】
在线式电子巡更系统和离线式电子巡更系统各有什么特点?
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举一反三
【多选题】Why is it so rare to see rooftop solar water heaters in America while such devices are commonplace in China?
A.
Such devices cost a lot more to install in America than in China.
B.
People in Americanlive in much larger homes as compared to hose in China.
C.
People in the US typically have water tanks in their basements or garages.
D.
It didn't help them to lower the energy costs while cutting carbon emission.
【简答题】对哲学基本问题中第二个方面“二者有无同一性”的不同回答是划分()的标准
【简答题】镜头成像的原理是利用____。
【简答题】四环素类药物不宜与抗酸药同服的原因是 。
【多选题】Which of the following are examples of negative externalities?
A.
Your neighbors enjoying the loud music you play.
B.
Whales swimming in the international waters.
C.
A factory dumping wastes on the public wasteland.
D.
Carbon emission that results from the public bus system.
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