It’s a pity that I was too busy to watch the film last night. If I ____ time. I would have gone to watch it.
A．had
B．had had
C．have
D．would have
答案：B
考查虚拟语气.句意:很可惜,昨晚我没有时间去看这部电影.如果我有时间,我会去看.结合语境可知条件从句中是对过去动作的虚拟,故用过去完成时态,选B.
各级别轿车历年销售份额(%)
| 年份 | AOO级型车 (微型) | AO级型车 (小型) | A级型车 (紧凑型) | B级型车 (中大型) | C级型车 (大型) |
| 2001 | 5.1 | 28.6 | 41.5 | 21.1 | 3.7 |
| 2002 | 7.5 | 29.8 | 39.9 | 19.8 | 3.0 |
| 2003 | 8.5 | 29.4 | 34.9 | 24.5 | 2.7 |
| 2004. | 8.6 | 30.6 | 39.2 | 1 9.4 | 2.2 |
| 2005 | 10.7 | 27.3 | 39.9 | 1 9.6 | 2.5 |
| 2006 | 8.8 | 24.7 | 42.9 | 20.2 | 3.4 |
| 2007 | 6.9 | 21.9 | 47.1 | 20.4 | 3.7 |
| 2008 | 7.1 | 20.3 | 48.9 | 20.2 | 3.5 |
| 2009 | 7.3 | 20.4 | 52.4 | 17.4 | 2.5 |
| 2010 | 7.3 | 19.8 | 53.6 | 16.7 | 2.6 |
B级型车与C级型车相比，比值最大的年份与比值最小的年份相比，比值相差( )。
A．2.84
B．2.64
C．3.56
D．2.44