我怎么就理不顺这个句子? 很郁闷哦!
来源:百度知道 编辑:UC知道 时间:2024/05/26 13:06:18
The Bunsen Burner is so named because it is thought ______by Robert Bunsen.
A. to be invented B. having been invented
C. invented D. to have been invented
A. to be invented B. having been invented
C. invented D. to have been invented
Hi
这样,把这个复合句拆开,先从because分成两大块。because引导一个原因状语从句,前面的就不用管了。it is thought 是一个被动语态,后面可以跟宾语从句也可以跟to do不定式结构(和 it is believed,it is considered 一样)。
故可排除选项B和C. 若答案仍选的是D,则说明本句还是要强调发明本森灯这件事发生在前。
原句若省略it is thought,则变为it has been invented。。。加上 it is thought后则变为 it is thought to have been thought。
不知道我说清楚了没有?
谢谢!!
b
Robert Bunsen is thought to have invent it.
It is thought to have been invented by Robert Bunsen.
D