填空题

1. In general, girls are much____         (hardworking) than boys.

2. This village is____(quiet) during the day than at night.

3. It's one of____                   (meaningful) activities in this term.

4. My fingers are ____long ,but Tom's are ____longer than mine.( very ,much)

5. He ate                 (much too ,too much) cold food yesterday evening.

假定汽油价格上涨10％时，自驾游需求变动量为20单位；火车票价格上涨10％时，驾游需求变动量为30单位。如果其他条件不变，当汽油价格和火车票价格同时上涨10％时，那么，自驾游的需求量 [ ]

A、增加50单位

B、减少50单位

C、增加10单位

D、减少10单位