托福语法选择题练习及答案6

　　1. --- principal types of acceleration: linear and angular.

　　(A) There are tow

　　(B) Two of them

　　(C) The two

　　(D) Two

　　2. East Liverpool, Ohio, ---the pottery capital of the United States.

　　(A) and called

　　(B) is called

　　(C) calling

　　(D) to call

　　3. True hibernation takes place only among ---animals.

　　(A) whose blood is warm

　　(B) blood warm

　　(C) warm-blooded

　　(D) they have warm blood

　　4. Like other women ---in the field of medicine, Sara Mayo found the beginning years difficult.

　　(A) who they pioneered

　　(B) they pioneered

　　(C) who pioneered

　　(D) pioneered

　　5. In his writing, John Crowe Ransom describes what ---the spiritual barrenness of society brought about by science and technology.

　　(A) he considers

　　(B) does he consider

　　(C) considers

　　(D) considers it

　　6. Green ---have the power to make food from substances found in the air and soil.

　　(A) only plants

　　(B) plants alone

　　(C) the only plants

　　(D) plants are alone

　　7. Children with parents whose guidance is firm, consistent, and rational are inclined ---high levels of self-confidence.

　　(A) possess

　　(B) have possessed

　　(C) to possess

　　(D) possessing

　　8. Writing pens are made in ---of shapes, sizes, and colors.

　　(A) endless variety an almost

　　(B) variety an almost endless

　　(C) an almost endless variety

　　(D) almost variety an endless

　　9. Under the guidance of choreographers, Martha Graham and Jerome Robbins, American dance ---new levels of artistic achievement.

　　(A) reaching

　　(B) has reached

　　(C) reach

　　(D) have reached

　　10. Angiosperms inhabit relatively diverse environments and may be found --- higher plants can survive.

　　(A) there

　　(B) wherever

　　(C) somewhere

　　(D) then

　　11. Magnesium has a specific gravity of 1.74, which means that --- 1.74 times as much as an equal volume of water.

　　(A) it is weighed

　　(B) weighing it

　　(C) its weight

　　(D) it weighs

　　12. Perhaps the primary --- of adult education was industrialization, which accelerated the pace of socioeconomic change.

　　(A) causes growth

　　(B) cause of the growth

　　(C) cause was growing

　　(D) caused the growing

　　13. --- as "the census taker of the sky Annie Jump Cannon contributed considerably to the field of astronomy.

　　(A) Known

　　(B) Knowing

　　(C) To know

　　(D) Knowledge

　　14. During adolescence many young people begin to question --- held by their families.

　　(A) values

　　(B) of the values

　　(C) the values are

　　(D) are the values

　　15. Coral reefs are --- that teem with an abundance of exotic sea life.

　　(A) when underwater landscapes

　　(B) landscapes being underwater

　　(C) underwater the landscapes

　　(D) underwater landscapes

　　参考答案：

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