32 Which of the following statements can be inferred?
(A) Only male mosquitoes pose health hazards to humans.
(B) Dr. Nikolai Windbichler and Dr. Andrea Crisanti’s experiment holds promise.
(C) The researchers discovered the X chromosome of the male mosquitoes.
(D) The size of the mosquito population will remain the same.

28 (A) Corporate culture provides a clear system for all employees. (B) Every business—in fact every organization—has a culture. (C) On the other hand, sometimes the culture of an organization is very strong and cohesive. (D) Whether weak or strong, culture has a powerful influence throughout an organization.

29 How did Dr. Windbichler and Dr. Crisanti stop A. gambiae females being created (reproduced)? (A)They used insecticides. (B)They eliminated malaria. (C)They made A. gambiae males incapable of reproduction. (D)They inserted a gene to destroy the X chromosome of A. gambiae.

30 According to the article, which of the following statements is true? (A) The gene Dr. Windbichler and Dr. Crisanti engineered into the mosquitoes is a homing endonuclease. (B) The gene Dr. Windbichler and Dr. Crisanti used to do the trick came from the mosquitoes themselves. (C) In order to control malaria, you always need to rely on insecticides. (D) All mosquitoes suck blood.

31 What was the function of the genes Dr. Windbichler and Dr. Crisanti engineered into A. gambiae mosquitoes? (A)They copied the chromosome of their host. (B)They repaired the chain of transmission of malaria. (C)They damaged the DNA sequences of the particular chromosome. (D)They helped reproduce the X chromosome of A. gambiae.

33 What is the main idea of this passage? (A) As technologies advance dramatically, predictions about climate change have become less challenging. (B) There is an imminent global impact regarding climate change. (C) The uncertainty surrounding climate change argues for action, not inaction. (D) There is growing scientific evidence for climate change.

34 According to the passage, which of the following statements is true about global warming? (A) It would lead to a shrink in world population. (B) It may trigger a mechanism that would lower the temperature. (C) It could sharply increase the amount of carbon dioxide in the atmosphere. (D) A massive movement of population would be inevitable.

35 According to the passage, why is it worth spending public resources on climate control? (A) To lower the global temperature (B) To prevent flooding disasters (C) To prevent uncertain, distant risks (D) To improve the climate for humans

36 According to the passage, what does the underlined word they refer to? (A) benefits (B) costs (C) greenhouse gases (D) public resources

37 What does the original meaning of “epilepsy” suggest? (A) The disease is often unseen by doctors. (B) It affects only a few people. (C) People with it are controlled by something unknown. (D) The disease sedates its sufferers.

38 Which of the following about epilepsy is NOT true? (A) It changes the way the brain usually works. (B) Julius Caesar and Napoleon might have had it. (C) Dostoevsky described the disease in a positive manner. (D) Swift and Van Gough did not accomplish much because of it.