47 According to the passage, what does the word “camouflage” mean?
(A) Eliminate.
(B) Contain.
(C) Restrict.
(D) Conceal.

43 The gymnast won the championship after a _______ performance. (A) ruthless (B) motionless (C) flawless (D) childless

44 This two-week _______ English conversation program offers classes three hours a day and five days a week to help students improve their speaking ability. (A) intensive (B) detective (C) exhaustive (D) probative

45 You must visit a Taiwanese night market when you come to Taiwan since it is an _______ part of the local experience. (A) assertive (B) accurate (C) essential (D) excessive 

46 According to the passage, why did Bertram want to get fingernail tattoos? (A) He wanted to downplay the influence of his misfortune. (B) He wanted to keep reminding himself of the accident. (C) He wanted to make people around him feel better. (D) He wanted to lay an emphasis on his injury.

48 According to the passage, which of the following statements can be inferred? (A) Tattoos are viewed as part of a standard cosmetic and medical procedure. (B) People are using tattoos to express their individuality or ideas of beauty. (C) Tattoos are done to further improve the appearance after a plastic surgery. (D) People are using tattoos as a cheaper and safer alternative to cosmetic surgery.

49 According to the passage, which of the following statements is true about Catalano? (A) He had experiences of enduring pain and deformity. (B) He is indifferent to those who are suffering from a disease. (C) His service was in high demand for his artistic healing. (D) His practice in cosmetic surgery boosted his own confidence.

50 Which of the following best describes the tone of the passage? (A) Pessimistic. (B) Suggestive. (C) Cynical. (D) Neutral.

1. According to the fluid mosaic model of cell membranes, phospholipids _____ (A) have hydrophilic tails in the exterior of the membrane (B) frequently flip-flop from one side of the membrane to the other (C) occur in an uninterrupted bilayer, with membrane proteins restricted to the surface of the membrane (D) can move laterally along the plane of the membrane (E) can be rearranged during membrane fusion.

2. The genetic code is essentially the same for all organisms. From this, what can be assumed? (A) The same codons in different organisms translate into different amino acids. (B) A gene from an organism can theoretically be expressed by any other organism. (C) Different organisms have different types of amino acids. (D) DNA was the first genetic material. (E) The abundance of all tRNAs are the same in different organism.

3. Which of the following contradicts the one-gene, one-enzyme hypothesis? (A) Alkaptonuria results when individuals lack a single enzyme involved in the catalysis of homogentisic acid. (B) Sickle-cell anemia results in defective hemoglobin. (C) A mutation in a single gene can result in a defective protein. (D) A single antibody gene can code for different related proteins, depending on the splicing that takes place post-transcriptionally. (E) Human insulin is encoded by one gene and processed after translation into two conjugated polypeptides for its active form.