长按下面二维码即可 |
长按下面二维码即可 |
1.单选题
【阅读判断】You think that the biggest threat to your health when taking a shower comes from slipping on a bar of soap? Well, guess again.
Q: This paragraph is a question to which the author hopes to have a positive answer from the reader.
A、True
B、False
C、Not Given
正确答案:B
答案解析:答案选B。这段话的意思是:你认为淋浴的时候对健康最大的威胁是踩在一块肥皂上而滑倒?好的,再猜一猜。这里的“再猜一猜”可以得知作者希望的不是一个positive answer,而是一个negative answer。
2.单选题
[完成句子]Heavy metals are persistent; they do not break down to other chemicals in the environment. Industrially polluted sites usually undergo intensive clean-up and rehabilitation because heavy metals are a health concern once they enter the food chain. Some trace metals are alleged to cause cancer and are also known to cause poisoning.
Industrially contaminated sites usually require a thorough clean-up due to __________.
A、the persistence of heavy metals
B、industrially polluted soils
C、naturally polluted soils
D、rock and soil chemistry
正确答案:A
答案解析:本段提到:受到污染的土壤含有重金属,而且重金属很稳定,不容易降解,所以要对重金属进行彻底的清除。答案选择A。
相关链接: