第一部分 单项填空（共15小题； 每小题1分，满分15分）
21. The president is talking on ____ phone with astronauts in ____ space.
A. 不填；the B. the; the C. the; 不填 D. 不填；不填
22. The policeman’s __________ traffic directions made all the drivers quite ___________.
A. confused; confused B. confusing; confusing
C. confused; confusing D. confusing; confused
23. His sister left home in 1998, and _________ since then.
A. had not been heard B. has not been heard of
C. had not heard of D. has not heard of
24. —How about your travel?
—You can hardly imagine what difficulty we have had ___________ the vast desert.
A. exploring B. explored C. to explore D. explore
25. He asked whether we were ________ women taking part in political activities.
A. in place of B. in face of C. in favor of D. in terms of
26．The report ________ figures from six different cities in Europe ________ six parts.
A. basing on；make up B. based on；is made up of
C. according to；consist of D. according to；make of
27．Mary________ her sister in appearance but not in character.
