72.According to the prediction of the study, how many grams of salt less a day can reduce the risk of heart disease?
(A) three
(B) ten
(C) fifteen
(D) eleven

68.(A) ungrateful (B) unsatisfactory (C) undeniable (D) unexceptional

69.(A) Whether (B) Where (C) What (D) While

70.(A) for (B) from (C) on (D) of

71. What is the best title for this passage? (A) The disadvantages of salt (B) Less salt can mean longer life (C) How to consume less salt (D) How to cure heart disease

73.Which of the following statement is NOT true? (A) Eight percent fewer strokes was predicted by the study if people take less salt. (B) The results of the study were predicted by a computer model. (C) The study was conducted in New England. (D) About two hundred forty billion dollars in health care could be saved by eating less salt.

74.Which of the following statements is NOT true? (A) The average American man eats 10 grams of salt a day. (B) Less salt could prevent ninety-two thousand deaths a year. (C) No more than three grams of salt are good for healthy people. (D) Americans have increased the amount of salt in their diet by fifteen percent since the 1970s.

75.What can be inferred from the last paragraph? (A) Mayor Michael Bloomberg’s National Salt Reduction Initiative is widely supported by Americans. (B) The purpose of National Salt Reduction Initiative is to promote gourmet cuisines in New York City. (C) Mayor Bloomberg is concerned about the health of American people. (D) Mayor Bloomberg has an ambition to run for the next presidency of the United States.

76. What is the main idea of this passage? (A) the contents of alternative tourism (B) the significance of mass tourism (C) the popularity of alternative tourism (D) the reasons for the emergence of tourism

77.In paragraph 1, what does the word ‘custom-made’ mean? (A) It means customers designing their own holidays to meet their own interests. (B) It means holidays arranged according to different cultural customs. (C) It means travelers getting the approval from customs officers. (D) It means holidays designed individually and can vary from person to person.

78.If you plan to go bungee-jumping, what type of tourism does it belong to? (A) Ecotourism. (B) Adventure tourism. (C) Cultural tourism. (D) Escape tourism.