38. Look at the four squares that indicate where the following sentence could be added to the passage.The body is a complex machine, however, and recent studies have called into question the wisdom of essentially trying to fool its systems into believing they aren’t aging.Where would the sentence best fit?Click on a square to add the sentence to the passage.
39. Directions: An introductory sentence for a brief summary of the passage is provided below. Complete the summary by selecting the THREE answer choices that express the most important ideas in the passage. Some sentences do not belong in the summary because they express ideas that are not presented in the passage or are minor ideas in the passage. This question is worth 2 points.
The class of chemicals called hormones was discovered by two researchers studying a substance produced in the small intestine.
Answer Choices
The term hormone is based on a Greek word that means "to excite" or "to set in motion."Researchers are looking for ways to decrease the dangers of treatments with growth hormone so that more patients can benefit from it.
Hormones can be given artificially, but such treatments have risks and must be used carefully.Hormones can affect not only life processes such as growth but also behavior and emotion.
Scientists have discovered that not only the nervous system but also certain chemicals can affect bodily processes far from their points of origin.Hormone replacement therapy (HRT) may increase the risk of blood clots and heart disease in middle-age women.
参考答案
Reading：
27. B
28. A
29. D
30. C
31. D
32. C
33. B
34. D
35. A
36. D
37. A
38. third square
39.1) Scientists have discovered that not only the nervous system….
2) Hormones can affect not only life processes…..
3) Researchers are looking for ways to decrease the dangers of ….
