2017托福100篇阅读理解试题（十三）_第2页

　　5. The word "dampened" in line 14 is closest in meaning to

　　(A) damaged

　　(B) stretched

　　(C) moistened

　　(D) examined

　　6. Which of the following can be inferred from the passage about a soil sample with little or no clay in it?

　　(A) It is not very heavy.

　　(B) It may not hold its shape when molded.

　　(C) Its shape is durable

　　(D) Its texture cannot be classified

　　7. The word "they" in line 21 refers to

　　(A) categories

　　(B) sieves

　　(C) larger particles

　　(D) clay particles

　　8. It can be inferred from the passage that the sediment sieve has an advantage over the hand test in determining soil texture because

　　(A) using the sieve takes less time

　　(B) the sieve can measure clay

　　(C) less training is required to use the sieve

　　(D) the sieve allows for a more exact measure

　　9. During the procedure described in paragraph 3, when clay particles are placed into water they

　　(A) stick to the sides of the water container

　　(B) take some time to sink to the bottom

　　(C) separate into different sizes

　　(D) dissolve quickly

　　10. The word "fine" in line 24 is closest in meaning to

　　(A) tiny

　　(B) many

　　(C) excellent

　　(D) various

　　11. All of the following words are defined in the passage EXCEPT

　　(A) texture (line 3)

　　(B) ribbon (line 10)

　　(C) sediment sieves (line 18)

　　(D) evaporated (line 25)

　　参考答案：DADBC BBDBA D