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【简答题】
某物理小组的同学在社会实践活动中，通过实际调查和网上查询，绘制了一辆某种型号普通轿车在额定功率下行驶时单位时间内的能量流向图，请你参与讨论有关问题。 （1）根据图中的能量流向，说出该轿车行驶时有哪几方面的能量损耗。 (不能修改) （2）若将机器转化有用功的能量与输入发动机的 能量的比值定义为“能量转化效率”。由图中提供的数据可得，该轿车的能量转化效率为________________。（保留一位小数） （3）对减少汽车行驶中的能量损耗，就你所知，一条建议。（不作解释）
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【单选题】How great it is to see so many of your come and join us in celebrating the 15 th anniversary of our travel magazine. From the bottom of___11____, we thanking you for being here. A little more than fif...
A.
w ith
B.
without
C.
out
D.
in
【单选题】When we dream,there is less movement of electrical waves in our brains.
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】How great it is to see so many of your come and join us in celebrating the 15 th anniversary of our travel magazine. From the bottom of___11____, we thanking you for being here. A little more than fif...
A.
discuss
B.
discussing
C.
discussed
D.
discussion
【单选题】How great it is to see so many of your come and join us in celebrating the 15 th anniversary of our travel magazine. From the bottom of___11____, we thanking you for being here. A little more than fif...
A.
heart
B.
our heart
C.
our hearts
D.
heat
【单选题】How great it is to see so many of your come and join us in celebrating the 15 th anniversary of our travel magazine. From the bottom of___11____, we thanking you for being here. A little more than fif...
A.
possibly
B.
probable
C.
probably
D.
possible
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