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.


weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had

weather conditions that cannot be foreseen, and pilot errors often cause much larger deposits of spray than

unforeseeable weather conditions, and pilot errors are the cause of much larger deposits of spray than they had

weather conditions that are not foreseeable, and pilot errors often cause much larger deposits of spray than

unforeseeable weather conditions, and pilot errors often cause much larger deposits of spray than they had

考题讲解

题目分析:
本题有些选项比较相对有难度,大家需要注意。

选项分析:

A选项:比较对象有误。最后的 they had anticipated是过去完成时。过去完成时必须要有一个过去时间作为参照,通常表示事件在这个过去时间点之前发生。显然地,在本选项中,由于cause是一般现在时,所以anticipate这个过去完成时没有时间的参照。

B选项:Correct. 本选项在语法和逻辑上均是正确的。

C选项:细分语法成分可知,划线部分是一个主系表结构。主干信息为:accidents, weather condition, and errors is the cause. 如果只看划线部分,这个主系表结构也是可以接受的。但是,由于未划线部分必须和划线部分保持but的关系,所以我们还要保证本选项能和未划线部分之间形成转折关系。未划线部分讲的是:喷洒农药是被小心的计划的。要和划线部分转折,我们必须要说,某事会引起计划之外的事情,而不能说,某事是一个原因。例如:
正确:虽然事故是不幸的,但是它引起了我们的警示。
错误:虽然事故是不幸的,但是它是警示的原因。
另外, they had anticipated错误同选项(A)。

D选项:
定语从句that are not foreseeable需改为 that cannot be foreseen。细分成分可知,本选项是主系表结构,即,
weather conditions are not foreseeable.
这句话讲的是:天气情况是不可以预测的。它并不代表这个天气状况没有被预测出来。例如:
(1) The book is not touchable.
(2) The book is not touched
句(1)讲的是“书是不可触摸的”,这是在描述书的一种特征,即,可能这些书是电子书,总之它们是不具备可触摸性的。句(2)讲的是“书没有被触摸过”。即,这些都是真的书,只不过没被触摸过。
同理,本题讲的是“没有被预见到的天气条件”,而不是“那些不具备可预见性的天气”(可能是一些神奇的气象条件,类似于刚才例子里的电子书),因此本选项是不正确的。

E选项:本选项错误同选项(A)。

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