题目

（题文）2017年6月1日，美国总统特朗普签署命令，美国正式退出应对全球气候变化的《巴黎协定》，这使因二氧化碳超标排放引发的全球气候变暖问题变得更加严峻。全球气候变暖问题的出现开始于A. 蒸汽机的大量使用 B. 内燃机的广泛使用 C. 电力的广泛使用 D. 人类对原子能的利用 答案：【答案】A【解析】依据所学知识可知，第一次工业革命时期，瓦特改良蒸汽机开始用作纺织的动力机，使机器获得了持续而稳定的动力，蒸汽机的广泛应用，促进了机器制造、冶金、采矿等一系列工业部门的技术革命，直接导致了工厂企业形式的出现，大量工厂企业的出现使得蒸汽机大量使用，对煤的 阅读理解 Judge the following sentences true(T)or false(F) 　　Many children love junk food．It’s bad for their health．Their parents don’t want them to eat too much junk food．Although they know it’s not good habit, they still eat it．Some of them eat this kind of food every day．Some only once or twice a week． 　　Paul is kind of unhealthy．He hardly ever exercises．He eats lots of junk food because he loves it．When he has money, he’ll buy junk food．His parents worry about him．But he says, “Maybe I’m not very healthy, but I enjoy myself．” (1) Few children love junk food． (　　) (2) Many parents want their children to eat junk food． (　　) (3) Children know it’s a bad habit to eat junk food． (　　) (4) Paul is very healthy． (　　) (5) Paul often borrows money to buy junk food． (　　)