26. If you would like to get a refund for a _______ product, you have to bring in the product and its receipt.
(A) affected (B) fault (C) defected (D) flawed
40. A series of experiments to test the new drug _______ carried out, but so far it still can’t prove to be an
effective drug.
(A) was (B) were (C) has been (D) have been
45. A lot of manufacturing companies are trying to _______ by cutting the budget for equipment renewals.
(A) balance (B) economize (C) limit (D) reduce
47. Chiufen is an old gold-mining town that _______ economically when the gold ran out in the middle of
the last century.
(A) dropped (B) declined (C) fell (D) disappeared
55. The departure dates listed in this brochure for the summer tours _______ change.
(A) look up to (B) look forward to (C) are subject to (D) are based on