30.However, when ______teams to complete tasks at school, we are often hardly aware

　 of this.

　 A. forming　　　　 B. to form　　　 C. formed　　　 D. be forming

29.Scientists like Qian Xuesen　　　　 in many ways for offering free access　　　　

　 applied science to students in their daily life.

　 A.always honors; for　　　　　　　　　　　 B.is always honored; to

　 C.are always honored; to　　　　　　　　　 D.are always honored; for

28.It’s surprising that you finished the examination paper　　　　 it took me and you made fewer mistakes than I did.

　 A.one-fifth the time　 B.one fifth time　　　 C.the one-fifth time D.one fifth a time

27.After staying in hospital for long,the patient was advised to go to the seaside to　　　　

　 his health.

　 A.take up　　　　　　 B.carry up　　　　　 C.pick up　　　　 D.make up

26.-What do you think of the meal we have just had?

　 -It is well worth　　　　 is charged for it.

　 A.that　　　　　　　 B.which　　　　　　 C.what　　　　 D.how many

25. After a month’s training of working long hours in the desert ,we are made completely

　 used _____ in the open air.

　 A. to eat　　　　　 B. to eating　　　 C. of eating　　　 D. eat

24.-I promise her daughter she　 　　　　get a nice present on her birthday.

　 -Will it be a surprise to her?

　 A.should　　　　　　 B.must　　　　　　 C.would　　　　 D.shall

23.I would have gone to visit him in the hospital had it been at all possible,but I　　　　

　 fully occupied the whole of last week.

　 A.were　　　　　　　 B.had been　　　　　 C.have been　　　 D.was

22._____new cure for this disease that medical experts have recently developed proved to be _____ most effective, although it cannot completely kill all the viruses.

　 A. A;a　　　 B. A;the　　　　 C. 不填; the　　　 D. The;不填

21.-Thank you for picking me up in this remote area!

　 -　　　　 .I’m just going in the same direction.

　 A.With pleasure　　　　　　　　　　　　　 B.None of your business　

C.Think nothing of it　　　　　　　　　　　 D.There’s nothing in it