(D) is unavoidable because people can’t do without pesticides in farming
39. People tend to ignore the delayed effects of exposure to chemical because _____.
(A) limited exposure to them does little harm to people’s health
(B) the present is more important for them than the future
(C) the danger does not become apparent immediately
(D) humans are capable of withstanding small amounts of poisoning
40. It can be concluded from Dr. Dubos remarks that _____.
(A) people find invisible diseases difficult to deal with
(B) attacks by hidden enemies tend to be fatal
(C) diseases with obvious signs are easy to cure
(D) people tend to overlook hidden dangers caused by pesticides
Part III Vocabulary and Structure (20 minutes)
41. I would appreciate _____ it a secret.
(A) your keeping (C) that you keep
(B) you to keep (D) that you will keep
42. Mark often attempts to escape _____ whenever he breaks traffic regulations.
(A) having been fined (C) to have been fined
(B) to be fined (D) being fined
43. No matter how frequently _____, the works of Beethoven always attract large audiences.
(A) performing (C) to be performed
(B) performed (D) being performed
44. It is recommended that the project _____ until all the preparations have been made.
(A) is not started (C) not be started
(B) will not be started (D) is not to be started
45. I wish I ____ longer this morning, but I had to get up and come to class.
(A) could have slept (C) might have slept
(B) slept (D) have slept
46. We didn’t know his telephone number, otherwise we _____ him.
(A) would have telephoned (C) would telephone
(B) must have telephoned (D) had telephoned
47. Turn on the television or open a magazine and you _____ advertisements showing happy, balanced families.
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