28. Having introduced the advanced scientific methods, the factory turned out ______ in 2006 as a year before.

    A. as many as four times machines             B. four times machines as many

    C. four times as many machines as              D. four times as many machines

27. In face of ________ failure, it’s important for us to keep ________ good state of mind.

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

26. Try to _________a few hours each week for exercise.

A. put away             B. take away         C. pick up              D. set aside

25. I saw him _____ at the back of the classroom.

A. sit                        B. seating                      C. being seated              D. seated

24. Was it not until ________ that they began to push for other ones?

A.  people had run out of natural resources

B.      had people run out of natural resources

C.      did people run out of natural resources

D.     people had been run out of natural resources

23. This cane contians _______ sugar and water.

    A. mostly                      B. best                         C. most                       D. almost  

22. The people on the line will ______ the new railway.

   A. benefit                       B. benefit of            C. benefit from         D. benefiting

21. --How much should I pay for the ice cream?

--It’s my ________.

A. choice               B. treat                   C. present                     D. charge

17. What was the foreigner ?

A. He was English. 

B. He wasn’t English

C. He was an English student .