题目

春节假期,小明一家驾车去大理旅游,汽车行在高速公路上,小明看到图中甲路标时,他看了看手表,此时正好是上午9:20,如果一路上汽车始终是匀速行驶,当汽车到达图中乙路标时,小明又看了看手表,时间为上午11:20.如果小汽车匀速行驶时受到的阻力为1000N.请运用所学的知识解答下列问题. (1)汽车匀速行驶的速度是多少km/h _______? (2)汽车匀速行驶的功率是多少kW______? (3)交通标志牌中,“100”的含义为_____.  根据句意从方框中选择合适的单词并用其适当形式填空。man knife I her class【1】Mom, help _______ find my friend Jim, please.【2】This bike isn’t mine. It’s _______.【3】Mike and I are in the same grade, but we are in different _______.【4】—Whose _______ are in the desk? —They are Ann’s and Dick’s.【5】—Who are the two ________? —They’ re our teachers.
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