大学英语大学英语大学英语六级(CET6)1999年1月大学英语六级(CET-6)真题试卷
题目内容

By saying “they employ chemical warfare” (Line 4, Par

2024-07-09

A.2), Bruce Ames means “________”.A.plants produce certain chemicals to combat pests and diseases

B.plants absorb useful chemicals to promote their growth

C.farmers use man-made chemicals to dissolve the natural chemicals in plants

D.farmers use chemicals to protect plants against pests and diseases

题目答案

试卷相关题目

最新试卷
热门试卷

长理培训客户端 资讯,试题,视频一手掌握

去 App Store 免费下载 iOS 客户端