The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.
830.The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated. (A) weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had (B) weather conditions that cannot be foreseen, and pilot errors often cause much larger deposits of spray than (C) unforeseeable weather conditions, and pilot errors are the cause of much larger deposits of spray than they had (D) weather conditions that are not foreseeable, and pilot errors often cause much larger deposits of spray than (E) unforeseeable weather conditions, and pilot errors often cause much larger deposits of spray than they had the key:B
最快速解答法:ACE共同问题出在they上。BD中,D犯了不平行的错误,大家记得看题目中写的是:The spraying of pesticides can be carefully planned, 但是D却些的是:weather conditions that are not foreseeable。所以选B。B符合平行原则,且没有指代不清的问题哟。