考试网 >> 外语考试 >> 托福 >> 托福模拟题 >> TOEFL试题（3）

发布时间：2006-06-21 20:59     点击：

23. What is the passage mainly about?

(A) Finding meteorites on Earth's surface

(B) How the composition of meteorites is similar to that of Earth

(C) Why most meteorites do not survive impact with Earth

(D) The origins of meteorites

24. The word "core" in line 4 is closest in meaning to

(A) center

(B) surface

(C) mineral

(D) field

25.The author mentions "dark stones" and "white snow" in line 9 to illustrate that.

(A) meteorites are found most often in Antarctica

(B) glaciers stop meteorites from mixing with soil

(C) meteorites are easier to find in glacial areas

(D) most of Antarctica is covered with meteorites

26. The word "embedded" in line 10 is closest in meaning to

(A) isolated

(B) encased

(C)enhanced

(D) enlarged

27.The word "spotting" in line 17 is closest in meaning to

(A) removing

(B) identifying

(C)cooling

(D) falling

28.The passage suggests that which of the following is most commonly responsible for the poor preservation of meteorites that fall to Earth?

(A) The size of the fragments

(B) Ice sheets

(C) Erosion

(D) Desert heat

29.Where was the Mundrabilla meteorite discovered?

(A)On the Nullarbor Plain

(B)In a field

(C)On a mountain

(D)In Antarctica

30.The word "they" in line 25 refers to

(A)stony meteorites

(B) falls

(C)Earth materials

(D) ancient bodies

31.Why does the author mention carbonaceous chondrites (line 26)?

(A) They are the largest meteorites found on Earth

(B) They are most likely to be found whole.

(C) They come from outside the solar system.

发表评论： 匿名发表 用户名: 查看评论

您将承担一切因您的行为、言论而直接或间接导致的民事或刑事法律责任 留言板管理人员有权保留或删除其管辖留言中的任意内容 本站提醒：不要进行人身攻击。谢谢配合。