扫描二维码，直接登录
题库 / Prep2007E1-SC-124
Whereas the use of synthetic fertilizers has greatly expanded agricultural productivity in many parts of the world, an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditional fertilizers may accelerate soil structure deterioration and soil erosion.
an increase in their use can create serious environmental problems such as water pollution, and their substitution for more traditional fertilizers
an increase in their use can create serious environmental problems like water pollution, and if substituted for more traditional fertilizers, it
if these fertilizers are used increasingly, they can create serious environmental problems such as water pollution, and if used as substitutions for more traditional fertilizers, they
the increased usage of these fertilizers can create serious environmental problems such as water pollution, while if substituted for more traditional fertilizers, this substitution
the increased usage of these fertilizers can create serious environmental problems like water pollution, while their substitution for more traditional fertilizers
DE 错误是不是因为，句首已经有whereas, 后面不能再跟while
主要是语意问题吧，后面不应该用转折的语气。
D: substituted 形容 fertilizers，然后后面是this substitution，错误
E: 不能用like，要用such as
个人拙见
登录 或 注册 后可以参加讨论