21. –Do you know the 3G mobile phone will come into the market soon?
-Really? It is said to be superior ___any other mode. I can’t wait to buy___
A. to; one B. than; one C. to; it D. than; it
22. -How amazing it is that astronauts are exploring outer space!
-It’s a challenge, I guess, ____man against nature.
A. of B. for C. by D. about
23. The US and Russia have sent astronauts into space, as .
A. China have B. China has C. have China D. has China
24._____by Typhoon Morakot(莫拉克), Taiwan ____water and electricity shortage.
A. Having struck; facing B. Having struck; faced
C. Struck; facing D. Struck; faced
