2022年南京信息职业技术学院自考英语（二）练习题汇总（附答案解析）

2022年南京信息职业技术学院自考英语（二）练习题汇总（附答案解析）第1题【单选题】【完成句子】Heavy metals are persistent; they do not break down

2022 年南京信息职业技术学院自考英语（二） 练习题汇总（附答案解析） 1 第题【单选题】 Heavy metals are persistent; they do not break down to other 【完成句子】 chemicals in the environment. Industrially polluted sites usually undergo intensive clean-up and rehabilitation because heavy metals are ahealth 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 athorough clean-up due to. Athe persistence of heavy metals 、 Bindustrially polluted soils 、 Cnaturally polluted soils 、 Drock and soil chemistry 、 A 【正确答案】 【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 A 降解，所以要对重金属进行彻底的清除。答案选择。 2 第题【单选题】 Fermi's genius was known throughout the scientific world. In 【阅读判断】 1938 he had won aNobel Prize. Four years later he produced the first nuclear chain reaction, leading us into the nuclear age.Q: Fermi, an experimentalist as well as atheoretician, won aNobel Prize for producing the first nuclear chain reaction in the world. ATrue 、 BFalse 、 CNot Given 、 B 【正确答案】