The drug used to treat this disease causes bad side effects, some of which ____
题型：不详难度：来源：
| The drug used to treat this disease causes bad side effects, some of which ________ deadly. |
答案
| B |
解析
| B 考察主谓一致。Some of which引导非限制性定语从句，在从句中做主语，修饰先行词bad side effects，故从句中使用复数形式，由此排除AC，由主句的时态和语境可知表示客观性，故使用一般现在时。故B正确。 |
举一反三
| How many countries ________ the European Union made up of, do you know? |
—________ one and a half months enough for the project to be finished?
—I am afraid not.The professor is ill and only after he recovers ________ go on with it.| A．Is；he can | B．Are；he can | | C．Is；can he | D．Are；can he |
|
The university estimates that living expenses for international students________around $8,450 a year，which________a burden for some of them. (2013·湖南，33)| A．are；is | B．are；are | | C．is；are | D．is；is |
|
All the scientific evidence ________ that increasing use of chemicals in farming ________ damaging our health. (2012·湖南，35)| A．show；are | B．shows；are | | C．show；is | D．shows；is |
|
Mary is the only one of the teachers who ________ a little Chinese because she is one of my friends who ________ been to China.| A．know；have | B．knows；has | | C．knows；have | D．know；has |
|
最新试题
热门考点