31 It is a____
 issue whether genetically modified foods are good or bad for our health; there are pros and cons to their use.
(A) deliberate
(B) tedious
(C) prohibited
(D) controversial

47 According to the article, what is mainly responsible for the improvements in public health? (A) Individual behaviors (B) Human rights policy (C) Investments in medicine (D) National health insurance

48 How do animals maintain their naturally given state of health and vigor? (A) They take regular exercise. (B) They receive medical treatments. (C) They instinctively eat the right foods. (D) They knowingly ingest healthy substances.

49 Which of the following statements is supported by the example of non-human animals? (A) The naturally given state of health and vigor, rather than human behaviors, is the key to health. (B) Animal foods, rather than the naturally given state of health and vigor, are the key to health. (C) Habits and behaviors, rather than medicine and health insurance, are the key to health. (D) Medicine and health insurance, rather than animal foods, are the key to health.

50 What does the word “wrong” in the last sentence refer to? (A) The prudent and dutiful invest too much in medical treatments. (B) The prudent and dutiful are paying heavily for the imprudent. (C) The irresponsible refuse to pay for national health insurance. (D) The irresponsible ignore their rights to health.

32 Why you let such a foolish thing happen is beyond my ____. I still cannot understand what you were thinking at that time. (A) belief (B) comprehension (C) doubt (D) recognition

33 We plan to____ US$100,000 to help the families of the earthquake victims. (A) rise (B) shield (C) raise (D) represent

34 To make French toast for four people, you’ll need the following____ : two eggs, a cup of milk, and a tablespoon of butter. (A) articles (B) factors (C) recipes (D) ingredients

35 Tina always has a stomachache after a big meal because she has poor ____. (A) digestion (B) circulation (C) pulsation (D) pressure

36 Mummification, performed by Egyptians, is a process of ____dead bodies, that is, protecting dead bodies from decay. (A) confining (B) identifying (C) measuring (D) preserving

37 ____nice pictures is difficult in that you need to have a good knowledge of light and color. (A) Take (B) In order to take (C) When you take (D) Taking