14. Most people admit that they contribute to global warming.
A. be partly responsible for B. disapprove C. neglect D. cause
15. We must admit that people are heavily polluting the environment.
A. decline B. rebut C. deny D. accept
16. In the polluted environment, infectious diseases can be passed easily from one person to another.
A. fatal B. safe C. contagious D. immune
17. Global warming has severe impact on water supplies.
A. very good B. very bad C. normal D. long-lasting
18. Global warming occurs when the greenhouse gases in the atmosphere trap the heat from the sun.
A. catch B. discharge C. dispose D. release
Loga
Sinh Học lớp 12
