One of the most unique things about this trip is a free riverside barbeque (烧烤)! Our workers will cook and serve you a picnic lunch - hotdogs, potato salad, fruit, etc. The classic family picnic!

Family Style White & shy; water Rafting Rates:

　　★ Adult: $39.00

　　★ Child (aged 4-14) : $33.00

　　★ Group (at least 8 persons) : $30.00

Rates Include: all necessary rafting equipment, life jackets, free parking, bus service to/from the river, and a barbeque lunch, river guides not included.

21.We can infer that ____.

　　A. the higher the class is, the milder the water is

　　B. the lower the class is, the milder the water is

　　C. the higher the class is, the safer the rafting is

　　D. the lower the class is, the faster the rafting is

22. If 10 college students are to participate in the Dam Release White & shy; water Rafting, how much money will be paid in total?

　　A.$610. B.$330. C.$390. D.$310.

23.Family Style White-water Rafting is unique in that ____.

　　A.it allows people to swim in the river B. the river water is very clean

　　C.it provides a barbeque lunch for free D.it offers a free bird­watching activity

　　People always think men are more skilled than women in driving. Nowadays women appear to have a positive image of themselves as safer drivers than men.

In a survey done by insurer MetLife, 51% of women said they drive more safely. The evidence is on their side: Men are 3.4 times more likely than women to get a ticket for careless driving and 3.1 times as likely to be punished for drunk driving. "Women are on average less aggressive and more law abiding(手法的) drivers, which leads to fewer accidents," the report says. However, not all male drivers share the same