______ good knowledge of several languages is essential to _____ study of comparative literature because without it one can read books only in translation.
| A．A; the | B．A; / | C．The; the | D．/; the |
The factory used 65 percent of the raw materials, the rest of which _______saved for other purposes.（2011安徽卷27）
| A．is |
| B．are |
| C．was |
| D． were |
All visitors to this village _________ with kindness. （2011四川卷9）
| A．treat |
| B．are treated |
| C．are treating |
| D．had been treated |
Experiments of this kind _______ in both the U.S. and Europe well before the Second World War.（2011北京卷21）
| A．have conducted |
| B．have been conducted |
| C．had conducted |
| D．had been conducted |
________that she was going off to sleep,l asked if she’d like that little doll on her bed.
| A．Seeing |
| B．To see |
| C．Seen |
| D．Seen |
Dogs have a very good ________ of smell and are often used to search for survivors in an earthquake (2009 .浙
A sense
B. view
C. means
D. idea