30. For years people thought the picture was a(n) _____ Van Gogh, but in fact it's a fake.

　 A. absolute　　　　　　　 B. artificial　　　　　　　 C. genuine　　　　　 D. sincere

29. Ten companies have already joined the organization and will be meeting on a ______ basis.

　 A. ordinary　　　　　　　 B. usual　　　　　　 C. frequent　　　　 D. regular

28. The gate will close ______ two minutes before the train leaves.

　 A. actually　　　　　　　 B. approximately　　　 C. relatively　　　 D. reliably

27. Companies cut jobs during November__________ weak consumer spending and high cost.

　 A. in return for　　　　　 B. in favor of　　　　 C. in response to　　 D. in terms of

26. The bridge isn't strong enough to allow the _______ of heavy vehicles.　

A. passage　　　　　　　 B. transport　　　　　 C. entrance　 　　　D. arrival

25. The following chapters provide step-by-step instructions for practical _______ of genetic (基因)engineering to agriculture.

　 A. applications　　　　　 B. organization　　　　 C. expression　　　 D. approaches

24. In order to do this, we have to _____ a method of understanding based on scientific principles that are universally accepted.

　 A. engage　　　　　　　 B. employ　　　　　　 C. express　　　　 　　　 D. experience

23. The high-handed(高压的)way in which Washington dropped the idea on its Western partners _______ some unfriendly reaction it has received.

　 A. results from　　　　　 B. brings in　　　　 C. accounts for　　 D. makes for

22. Burns will tell his board(全体委员) today that the Sports Council wants a non-voting member to _______the way the cash is spent.

　 A. look over　　　　　　 B. watch over　　　 C. look through　　 D. watch out