TOEFL-PBT:Underlined Section:NUMBER

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1. The gravitational interplay in the atmosphere of Jupiter is intriguing because of the presence of so many moon.

2. Whether eating plant is morally unacceptable is an issue raised by only the most extreme of philosophers.

3. Unlike those who are lactose intolerant, others are able to subsist almost entirely on a diet that is based on milks.

4. Ecology, the branch of science that deals with the connection between living organism and their environment, has evolved into a required course at many universities.

5. The ability of economists to explain such simple phenomenon as fluctuations in the stock market remains questionable.

Answers: D, A, D, B, B
source:PBT STRUCTURE AND WRITTEN EXPRESSION

 

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6. Displaying no aptitudes for language or mathematics at an early age, Einstein confounded academia by producing the General Theory of Relativity.

7. In year of severity such as 1992, the cost of fighting the tobacco flea beetle has ranged from twenty to thirty dollars per acre.

8. With its chisel edged front teeth the beaver cuts two parallel furrows across the grain of the wood, and then wrenches off the part between in a succession of chip.

9. Experiments clearly prove that nesting birds can find their way homes from a distance of 800 miles or more across seas or along coasts unknown to them.

10. A group of compound with the empirical formula of CnH2n+2, paraffins vary from colorless gases to water-white liquids.

Answers: B, A, D, C, A