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

23 (A) Since for most people it is difficult to see images as information and some ads are just too appealing, there has to be restrictions to make ads work. (B) Scientists insist that aggressive ads are too violent and must not be shown to children before they at least enter elementary school. (C) Unless we purposefully isolate ourselves from the industrial world, we have difficulty avoiding these images that daily insist upon our attention. (D) In some rural areas or small towns, people are not influenced as much as those in big cities; thus, ads must be more aggressive to sell.

24 (A) Advertisers, of course, depend on the fact that we all already know a great deal about the messages that images convey. (B) Familiar images do not sell well, so advertisers would try everything they could to be creative and bring new images to the world. (C) We do know some of the images that advertisers put out, but if the images are too familiar, they could easily become cliché. (D) There are differences in the kinds of ads received well in different countries, and advertisers have to be very careful about those differences.

25 (A) Because such scenes are so easily recognized, advertisers are sometimes able to use just a few words to get the message across. (B) The Marboro Man as an image for cigarettes has been around since the early 1950s, but only northern American viewers have good feelings toward it. (C) In summary, images that depict good time in life, such as birthdays, weddings, and beautiful people, are used more often than others. (D) In conclusion, educated viewers will remember cigarettes are bad for health no matter how attractive the image is.

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

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.

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.

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.