31. It’s not easy for experts to ______ H1N1 flu in humans from regular human seasonal influenza.
| A．distinguish | B．separate | C．define | D．recognize |
22．— Marx looks nervous.
— So___________you if you had so fierce a competition.
| A．do | B．did | C．will | D．Would |
PART TWO LANGUAGE KNOWLEDGE
SECTION A
Directions: Beneath each of the following sentences there are four choices marked A, B, C, and D. Choose the one answer that best completes the sentence.
21. ________caused the accident is still a mystery.
A. How B. What C. That D. Where
35. ______ in a shower on his way to his house in Lloyd Road, a tall English gentleman began running in order to catch a bus going at full speed about twenty yards ahead of him.
| A．Caught | B．Catching | C．Having caught | D．Having been caught |
34. The space is left to let the rail expand when it gets hot, ______?
| A．isn’t it | B．is it | C．doesn’t it | D．does it |
33. There is probably no better way for a foreigner to appreciate the richness and variety of the English language ______ by studying the various ways in which Shakespeare used it.
| A．where | B．as | C．than | D．So |