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1. A microscope can reveal vastly ______detail than is visible to the naked eye.

(A) than (B) than more (C) more than (D) more

2. Narcissus bulbs ______ at least three inches apart and covered with about four inches of well drained soil.

(A) should be planted (B) to plant (C) must planting (D) should plant

3. Industrialization has been responsible for ______ most radical of the environmental changes caused by humans.

(A) a (B) the (C) some of which (D) which are the

4. In many areas the slope and topography of the land ______ excess rainfall to run off into a natural outlet.

(A) neither permit (B) without permitting (C) nor permitting (D) do not permit

5. Color and light, taken together, ______ the aesthetic impact of the interior of a building.

(A) very powerfully influence

(B) very influence powerfully

(D) influence powerfully very

6. ______ that Rachel Carson's 1962 book Silent Spring was one of the chief sources of inspiration for the development of nontoxic pesticides.

(A) There is likely (B) Likely to be (C) It is likely (D) Likely

7. Total color blindness, ______, is the result of a defect in the retina.

(A) a rare condition that (B) a rare condition (C) that a rare condition (D) is a rare condition

8. ______ no conclusive evidence exists, many experts believe that the wheel was invented only once and then diffused to the rest of the world.

(A) Even (B) But (C) Although (D) So

9. Wherever there is plenty of rain during the growing season, life is ______ in various forms.

(A) abundant (B) the abundance (C) an abundant (D) it abundant

10. In her time, Isadora Duncan was ______ today a liberated woman.

(A) calling what we would (B) who would be calling (C) what we would call (D) she would call it

11. ______ around stones that are sun-warmed, even the

smallest of stones creates tiny currents of warm air.

(A) The cool air (B) If the air is cool (C) That the air cools (D) The cooler the air

12. Despite its wide range of styles and instrumentation, country music has certain common features ______ its own special character.

(A) give it that (B) that give it (C) give that (D) that gives it to

13. Most of ______ archaeologists know about prehistoric cultures is based on studies of material remains.

(A) these (B) what (C) which (D) their

14. According to some cities, the novels of William Burroughs demonstrate the major hazard of absurd literature, ______ tendency toward overembellishment and incoherence.

(A) not withstanding (B) besides (C) is a (D) its

15. Coinciding with the development of jazz in New Orleans in the 1920's ______ in blues music. (A) was one of the greatest periods

(B) one of the greatest periods

(D) the greatest periods

Written Expression

16. Gone With the Wind, the epic novel about life in South during the Civil War period, took ten

___

_____

____

years write.

________

17. None two butterflies have exactly the same design on their wings.

____

____________

B C D

18. To save the Califonia condor from extinction, a group of federal, local, and privately

_________

______

A B

organizations initiated a rescue program.

_______

br D

19. A coral reef, a intricate aquatic community of plants and animals, is found only in

_____________

B C

warm, shallow, sunlit seas.

____________________

20. Carnegie hall was the first building in New York designed special for orchestral music.

______

_______ __________________

B C

21. Since it lives in the desert, the collared lizard depends from insects for water as well as for

_______

_________________

A B

food.

22. The Texas Panhandle region, in the northwestern part of the state, produces more wheat,

____

___

cotton, and grain sorghum than any of other area of Texas.

__________

C D

23. Light rays what enter the eye must be focused onto a point on the retina in order for a clear

________

____

A B

visual image to form.

______

24. The orangutan's hands and feet are designed for holding and grasping branches, and its

___

powerful immensely arms enable it to climb and swing in trees without difficulty.

_______________

____________

25. The extraordinary beautiful of orchids makes them the basis of a multimillion-dollar floral

______

_________

B C

industry.

______

26. The Vermont Elememary Science Project, according to its founders, are designed to challenge

_________________

some of the most widely held beliefs about teaching.

_____

___________

27. The number 8 1/2 is an example of a "mixed number" because it is composing of an integer

__________________

B C

and a fraction.

____

28. If it is kept dry, a seed can still sprout up to forty years after their formation.

_______________ ____

___

A B

C D

29. In The Sociology of Science, now considered a classic, Robert Merton discusses cultural,

_______

economy, and social forces that contributed to the development of modern science.

____________

________________________

B C

30. Bacteria lived in the soil play a vital role in recycling the carbon and nitrogen needed by plants.

__________

______________

B C

31. Some snakes have hollow teeth are called fangs that they use to poison their victims.

____

______________

B C

32. Stars derive their energy from thermonuclear reactions that take place in their heat interiors.

______

____________

A B

33. Carrie Chapman Call organized the League of Woman Voters after successfully campaign for

_______

___

_______

the constitutional amendment that gave women the right to vote.

_______

34. Any group that conducting its meetings using parliamentary rules will encounter situations where

________________

_____

A B

C prescribed procedures cannot be applied.

_____

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The Evolutionary Origin of Plants The evolutionary history of plants has been marked by a series of adaptations. The ancestors of plants were photosynthetic single-celled organisms that gave rise to plants presumably lacked true roots, stems, leaves, and complex reproductive structures such as flowers. All of these features appeared later in the evolutionary history of plants. Of today’s different groups of algae, green algae are probably the most similar to ancestral plants. This supposition stems from the close phylogenetic (natural evolutionary) relationship between the two groups. DNA comparisons have shown that green algae are plants’ closest living relatives. In addition, other lines of evidence support the hypothesis that land plants evolved from ancestral green algae used the same type of chlorophyll and accessory pigments in photosynthesis as do land plants. This would not be true of red and brown algae. Green algae store food as starch, as do land plants and have cell walls made of cellulose, similar in composition to those of land plants. Again, the good storage and cell wall molecules of red and brown algae are different. Today green algae live mainly in freshwater, suggesting that their early evolutionary history may have occurred in freshwater habitats. If so, the green algae would have been subjected to environmental pressures that resulted in adaptations that enhanced their potential to give rise to land-dwelling or organisms. █The environmental conditions of freshwater habitats, unlike those of ocean habitats, are highly variable. █Water temperature can fluctuate seasonally or even daily and changing level of rainfall can lead to fluctuations in the concentration of chemical in the water or even to period in which the aquatic habitat dries up. █Ancient fresh water green algae must have evolved features that enable them to withstand extremes of temperature and periods of dryness. █These adaptations served their descendant well as they invaded land. selection had shaped the adaptations that helped plants overcome the obstacles to terrestrial living, plants prospered and diversified. When plants pioneered the land, they faced a range of challenges posed by terrestrial environments. On land, the supportive buoyancy of water is missing, the plant is no longer bathed in a nutrient solution, and air tends to dry things out. These conditions favored the evolution of the structures that support the body, vessels that transport water and nutrients to all parts of plant, and structures that conserve water. The resulting adaptations to dry land include some structural features that arose early in plant evolution; now these features are common to virtually all land plant. They include roots or root like structures, a waxy cuticle that covers the surfaces of leaves and stems and limits the evaporation of water, and pores called stomata in leaves and stems that allow gas exchange but close when water is scarce, thus reducing water loss. Other adaptations occurred later in the transition to terrestrial life and now wide spread but not universal among plants. These include conducting vessels that transport water and minerals upward from the roots and that move the photosynthetic products from the leaves to the rest of the plant body and the stiffening substance lignin, which support the plant body, helping it expose maximum surface area to sunlight. These adaptations allowed an increasing diversity of plant forms to exploit dry land. Life on land, however, also required new methods of transporting sperm to eggs. Unlike aquatic and marine forms, land plants cannot always rely on water currents to carrytheir sex cells and disperse their fertilized eggs. So the most successful groups of land plants are those that evolved methods of fertilized sex cell dispersal that are independent of water and structures that protest developing embryos from drying out. Protected embryos and waterless dispersal of sex cells were achieved with the origin of seed plans and the key evolutionary innovations that they introduced: pollen, seeds, and later, flowers and fruits. Paragraph 1: 1.The word “presumably” in the passage is closest in meaning to

托福TPO46口语Task6听力文本+题目+满分范文

为了帮助大家高效备考托福，为大家带来托福TPO46口语Task6听力文本+题目+满分范文，希望对大家备考有所帮助。托福TPO46口语Task6听力文本： Listen to part of a lecture in a psychology class. When we think about the past, when we try to remember the past, we remember somethings better than others. Why is that? Well, there are a few different explanations. One explanation is that we remember something better if we already have some previous knowledge about it, some previous understanding of it. For example, let's say you are going to go to a classical music concert. If you don't know anything about classical music before you go to the concert, you probably won't remember many details of the concert later on. For example, if somebody asks you about the concert a year later, you probably won't remember what pieces the orchestra played, what order they played them in and so on. On the other hand, if you already know a lot about classical music before you go to the concert, for example, if you've been studying and playing classical music for many years, it's probably going to be much easier for you to recall the details of the concert later on. Another explanation is that we remember better when there's something unusual ordifferent about what we are trying to remember. For example, let's say you are in aclass at a university, a big class with over a hundred students in it. A year later, which of those a hundred students are you mostly likely to remember? Probably the ones who were unusual or different in some way, maybe a man who was exceptionally tall, or a woman who was exceptionally intelligent. The fact that these students were somehow different from the other students will make them easier to remember. 托福TPO46口语Task6题目： Using points and examples from the lecture, give two explanations for why we may remember some things better than others. 托福TPO46口语Task6满分范文： In the lecture, the professor talks about a psychology phenomenon that when we think about or try to remember the past, we remember some things better than others and illustrates two explanations for this. One explanation is that we remember something better if we already have some previous knowledge about or understanding of it. For example, if you don’t know anything about classical music before going to the concert, you probably won’t remember many details of the concert later on. On the contrary, if you already know a lot or you’ve been studying and playing classic