28．Eco-travel is a form of travel ___ combines normal tourism with learning, _____ a way to find out what can be done to help animals, plants and people .

　　　 A．what; as well as　 　　　　　　　　　　　　　　　 B．that, as well　

　　　 C．which; as well as　　 　　　　　　　　　　　　 D．which; as well

27．- Are you going to Beijing ____ pleasure?

　 - No, I’ll go to Beijing ____ business.

A．on; for　　　　 　 B．on; on　　　 　　　 C．for; on　　　　　　　　 D．for; for

26．He is clever, but ____, he makes many mistakes.

　　　 A．on the contrary 　　　　　　　　　　　　　　　　　 B．on the other side　

　　　 C．on the other hand　 　　　　　　　　　　　　　 D．on one hand

25．Children shouldn’t go swimming in the lake ____ they are with their parent.

　　　 A．until　　　　　 　 B．unless　　　　 　 C．if not　　　 　　　 D．before

24．He had a speech to prepare, so he ____ the party at an early time.

　　　 A．get away　　 　　　 B．get away from 　　 C．leave for　 　　　　 D．leave from

23．While hiking, you should ____ for dangers, ____ spiders, snakes or poisonous plants.

　　　 A．watch out; for example　　　　　　 　 B．take care, for example

　　　 C．watch out; such as　　　　　　　　 　　 D．take care; such as

22．It was ___ to watch sunset ____ evening.

　　　 A．funny; to　　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B．fun; towards　　

　　　 C．a fun; towards　　　 　　　　　　　　　　　　　 D．fun; in

21．____ staying at hotels in Red River Village, tourists can help the villagers make money so that they can take _____the river and the birds.

　　　 A．By; care for　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B．By; care of　　　

　　　 C．Through; care of　　 　　　　　　　　　　　　　 D．With; care of

20．-Is that 110? A thief is in my house…

-Ok, help is ____.

A．in the way　　 　 B．in its way　　 　 C．on the way　　 　 D．by the way

19．__, there must have been 20,000 people there, that is, there are ___ 20,000 people there.

A．On total; a total of　 　　　　　　　　　　　　　 B．In total; a total of　

C．In total; the total of　 　　　　　　　　　　　　　 D．On total; the total of