Prep-T2-Q142

Test2-142. The ability of scientists to provide models of the atmosphere's complex responses to changing conditions, like seasonal and daily cycles or different planetary conjunctions, have become ever more accurate. (A) The ability of scientists to provide models of the atmosphere's complex respons...

Prep-T2-Q91

Test2-91. The spectacular disintegration of a comet last year in full view of ground- and space-based telescopes provided new insights into how comets form and may thus force a rethinking of the role of comets in the delivery of organic compounds to the evolving Earth. (A) The spectacular disintegra...

Prep-T2-Q37

Test2-37. Using technology as new as space-age fabrics and as ordinary as common dry-cleaning chemicals, scientists and historians, in their attempt at cleaning and preserving the American flag that flew over Fort McHenry in Baltimore in 1814, are hoping that it will then last another 200 years. (A)...

As the honeybee’s

As the honeybee’s stinger is heavily barbed, staying where it is inserted, this results in the act of stinging causing the bee to sustain a fatal injury. A. As the honeybee’s stinger is heavily barbed, staying where it is inserted, this results in the act of stinging causing B. As the heavily barbe...

Thanks for your advice. I guess the reason why I could't find the answer so quickly as you do is that I am not a native speaker. Sometimes when I come across a tricky question--like this one--all I can do is use my grammar to analyze it and find the best answer. Maybe I should try to understand the ...

Prep T2-20

Test2-20. (27836-!-item-!-188;#058&003666) During the past year, Pro-Tect Insurance Company's total payout on car-theft claims has been larger than the company can afford to sustain. Pro-Tect cannot reduce the number of car-theft policies it carries, so it cannot protect itself against continued...

mining heat

Is "mining" a noun or Ving?
If mining is Ving, maybe (A), (B) are better because "mining" and "producing" are parallel.