2000年1月托福考试全真试题(四)

文章作者 100test 发表时间 2007:10:24 11:39:36
来源 100Test.Com百考试题网

16. The outer layer of the heart, called the pericardium, forms a sac in what the heart lies.

A B C D

17. Wood from the ash tree becomes extremely flexibly when it is exposed to steam.

A B C D

18. The ability to talk is one of the skill that make humans different from the rest of the animal world.

A B C D

19. In plane geometry, the sum of the internal angles of any triangle has always equal to 180 degrees.

A B C D

20. Polar bears are bowlegged and pigeon-toed, adaptations that enable this

A B

massive animals to maintain their balance as they walk.

C D

21. Caves are formed by the chemical or action mechanical of water on soluble

A B

rock, by volcanic activity, and by earthquakes.

C D

22. Celery, an edible plant is having long stalks topped with feathery leaves,

A B C

grows best in cool weather.

D

23. The first fiction writer in the United States to achieve international fame

A B C

was Washington Irving, who wrote many stories, included " Rip Van Winkle" and

D

"The Legend of Sleepy Hollow".

24. Three fundamental aspects of forest conversation are the protection of

A

immature trees, the use of proper harvesting methods, and provide for an

B C

environment that supports reproduction.

D

25. For each enzyme reaction there is an optimum temperature which maximum

A B C

efficiency is achieved.

D

26. Adolescence is a transitional stage in human development from the beginning

A B

of puberty to the attainment of the emotion, social, and physical maturity of

C

adulthood.

D

27. The people native to the northwest coast of North American have long

A

be known for wood carvings of stunning beauty and extraordinary quality.

B C D

28. Colonial efforts to manufacture glass at Jamestown---- and later attempts

A B

near Philadelphia and Boston---failed despite the abundant of fuel and good raw

C

materials.

D

29. The orbit of a celestial body is usually in the shape of ellipse.

A B C D