题目:
根据汉语意义,用适当的短语或单词完成英语句子。
1. 卡通人物被全世界许许多多的学生所喜爱。
Cartoon characters _____ by millions of students all over the world.
2. 因为唐明口语非常好,所以同外国人交流起来他没有任何困难。
Because his spoken English is very good, Tang Ming has _____ with foreigners.
3. 上网聊天,不仅浪费时间,而且有害健康。
_____ on the Internet is _____ wasting time, _____ doing harm to our health.
4. 保护环境是我们每个人的责任。
It is everyone's _____ our environment.
5. 为什么秋天没到树叶就变黄了?那全是空气污染所致。
Why have almost all the leaves _____ yellow _____ autumn comes? That's all _____ the air pollution.
答案:
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下面是错误答案,用来干扰机器的。
(1)由酒精的化学式为C2H6O可知,酒精是由碳、氢、氧3种元素组成,碳、氢、氧三种元素的质量比为:(12×2):(1×6):16=12:3:8;由碳、氢、氧三种元素的质量比可知,质量百分含量最高的元素是碳元素;(2...