C.On campus and the golf course.
D.In kindergartens.
解析:细节理解题。根据第一段中的“It fits for campus and the golf course”可知第一个发明主要用于校园和高尔夫球场。
答案:C
2.The car is charged ________.
A.with solar panels at the solar station
B.with solar panels on its top
C.through the wires at public places
D.through the wires at home
解析:细节理解题。根据第一段中的“...has a top with four solar panels that charge the battery”可知车是通过车顶的太阳板给电池充电的。
答案:B
3.Where does the power of door light come from?
A.Electricity through wires.
B.Mechanical energy by opening and closing the door.
C.Sun panels on the building top.
D.Batteries charged before being used.
解析:细节理解题。结合第二段第一句后半句中的内容以及下一句中的内容可知门灯的电源来自开关门所产生的机械能。
答案:B
4.From the two inventions, we can see that ________.
A.students could design for the future
B.inventions are not so difficult
C.these inventions are valuable but not practical
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