2017托福100篇阅读理解试题（八）_第2页

　　5. According to paragraph 2, the construction of the nest allows water to

　　(A) provide a beneficial source of humidity in the nest

　　(B) loosen the materials at the bottom of the nest

　　(C) keep the nest in a clean condition

　　(D) touch the bottom of the eggs

　　6. All of the following are part of a parrot's incubation method EXCEPT

　　(A) heating the water vapor as it rises from the bottom of the nest

　　(B) arranging nesting material at the bottom of the nest

　　(C) transferring heat from the parent to the top of the eggshell

　　(D) maintaining a constant temperature on the eggshell

　　7. The word "suspend" in line 18 is closest in meaning to

　　(A) build

　　(B) paint

　　(C) hang

　　(D) move

　　8. The word "fatal" in line 24 is closest in meaning to

　　(A) close

　　(B) deadly

　　(C) natural

　　(D) hot

　　9. The word "secure" in line 27 is closest in meaning to

　　(A) fresh

　　(B) dry

　　(C) safe

　　(D) warm

　　10. According to paragraph 3, a deep foundation of nesting material provides

　　(A) a constant source of humidity

　　(B) a strong nest box

　　(C) more room for newly hatched chicks

　　(D) protection against cold weather

　　11. Which of the following is a problem with commercial incubators?

　　(A) They lack the natural temperature changes of the outdoors.

　　(B) They are unable to heat the eggs evenly

　　(C) They do not transfer heat to the egg in the same way the parent bird does.

　　(D) They are expensive to operate.

　　12. Which of the following terms is defined in the passage ?

　　(A) Aviculturists (line 1)

　　(B) gradient (line 8)

　　(C) incubation (line 15)

　　(D) embryo (line 22)

　　参考答案：DAACA DCBCD CA