试题题干
Translate the following sentence into Chinese.
It proved very effective in controlling insect pests like the potato beetle and the boll weevil.
参考答案
试题解析
考点:potato beetle 马铃薯甲虫;boll weevil 棉铃象鼻虫。
句子结构:句子主干为It proved effective,in controlling···为状语。