31．_______ made many contestants angry is ________ was called the fair play turned out to be unfair at all.

　　 A. What; that what　 B. What; what　　　 C. It; that　　　　　　 D. It; what that

30．From facts, scientists have ___________ that more energy is being absorbed from the sun, throwing the earth’s energy “out of balance”.

A. confirmed　　 B. concluded　　　　 C. concentrated　　　　 D. centred

29．When my grandpa was young, he had to　　　 several miles a day to school since he had no money to take a bus.

A. cover　　　　 　　　 B. take　　　　　　 　　　 C. get　　　　　　 　　　　 D. make

28．__________, the dancers practice hard to make their dreams come true.

A. Being disabled as they　　　　　　　 B. As they are disabled

C. Disabled as they are　　　　　　　　 D. Disabled so they are

27．When realizing the guard of the supermarket had spotted him , the thief　　　　 the exit as quickly as possible.

A．made for　　　 　　　　　　　　　　　　　　　　　　　　 B．made out

C．made up　　　 　　　　　　　　　　　　　　　　　　　　 D．made into

26．―Look! What a mistake! Why?

―Sorry, I _________ on it.

A. don’t concentrate　　　　　　　　 　　　 B. hadn’t concentrated

C. haven’t been concentrating　　　　 　　　　　　 D. wasn’t concentrating

25．Barack Obama has taken personal blame ________ the security failures which led ________ the attempt to blow up a plane on Christmas Day

A. of; to　　　　　　　　　　　　　 　　 B. for; to　　 　　　　　　　　　　　 C. on; on　　　　　　　　　　　　　　　　　 　　 D. in; on

24．The project _________ by the end of 2011, will expand the city’s telephone network to cover 2000000 users.

A．being accomplished　　　　　　 B．accomplished

C．to be accomplished　　　　　　 　　　 　D．having been accomplished

23．It is important to know about the cultural differences that　　　　 cause problems.

A．must　　　　　　　 　　　 B．dare 　　　 　　 C．need　　 　　　 　　 D．may

22．While income worry is _______ rather common problem of the aged, loneliness is another problem that ________ aged parents may face

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