長按下面二維碼即可 |
長按下面二維碼即可 |
1.單選題
【閱讀判斷】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
正確答案:B
答案解析:答案選B。這段話的意思是:你認(rèn)為淋浴的時候?qū)】底畲蟮耐{是踩在一塊肥皂上而滑倒?好的,再猜一猜。這里的“再猜一猜”可以得知作者希望的不是一個positive answer,而是一個negative answer。
2.單選題
[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
正確答案:A
答案解析:本段提到:受到污染的土壤含有重金屬,而且重金屬很穩(wěn)定,不容易降解,所以要對重金屬進(jìn)行徹底的清除。答案選擇A。
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