填空题

  • A. No evidence to indicate bad effects of naturally contaminated soil
  • B. Potential hazards of human contaminated soils
  • C. Research on channels of heavy metals getting into human food chain
  • D. Geology and health problems
  • E. Rocks-the ultimate source of soil pollution
  • F. Long-term health effects on children

Paragraph 6 ______.

【参考答案】

C
<上一题 目录 下一题>
热门 试题

填空题
F
单项选择题
A．matesB．relativesC．membersD．fellows
A．mates
B．relatives
C．members
D．fellows
相关试题