A-A+
A．Insects are the most adaptable creatures.B．I
问题详情
A．Insects are the most adaptable creatures.
B．Insects would be out of control if nothing were done.
C．Insects will some day devour all plants on the Earth.
D．Insects have developed resistance to both botanical and artificial poison rapidly.
参考答案
正确答案：D
解析：科学家希望义中提到的措施可以延缓庄稼面临新型的肆虐虫灾的侵害：Scientist hope that these and other measures will postpone...our farms and devour our crops. 可见昆虫对生态的杀虫剂和人工杀虫剂的抵抗力都是增长得十分迅猛的。故正确答案为D。
