题目

3道英语单选再请教!
3.As is put in the report,the new machine will work twice as fast,thus ____ the costs of our products.
A.being reduced B.to reduce C.to be reduced D.deducing
4.The public were surprised at the news that the U.S.President Obama was reported _____the 2009 Noble peace prize.
A.winning B.having won C.to have won D.to win
5.This book has been considered as _____ must-read book for a beginner who wants to have _____ good knowledge of art.
A.a;a B.the;a C.a;the D.the;/

提问时间：2021-02-26

答案

1, 分词引导结果状语
2,be reported 是被动语言,后面要加to do. 又,领奖是已经发生的事情,故用完成时态.
3,a 是泛指,表示一种必读书；a good knowledge of 是固定搭配.