Tham khảo tài liệu 'gmat official guide 10th edition part 9', ngoại ngữ, kỹ năng đọc tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | is preferable to but. Finally the use of the gerund streaming rather than the more straightforward noun stream is needlessly awkward. Answer to Question 242 C is the best choice. The word that functions grammatically to introduce the clause that describes the point that champions of solar cells concede. Choices A and B needlessly lengthen the statement by expressing the idea through negation no less than and nothing other than could be dropped without loss of meaning. In D and E the preposition or is less idiomatic than o in expressing necessity. Furthermore both choices present an awkward and wordy noun-plus-prepositional phrase instead of a that clause that would express meaning more exactly and concisely. Answer to Question 243 Choice E is best. The plural verb exceed agrees in number with its subject amounts and the phrase those that humans could consume conveys the intended meaning clearly and without unnecessary wordiness. In choices A B and C the singular exceeds does not agree in number with its plural subject amounts. Choices B and C omit the conjunction that _an omission that is grammatically acceptable but in the case of this sentence diminishes clarity. In D the use of the passive voice in the phrase those able to be consumed by humans is unjustified as it increases wordiness while stating the meaning less precisely it is accurate to call humans able but not to call those amounts able. Answer to Question 244 E is the best choice. The meaning is clear despite the relative complexity of the sentence the comparison of women with men is logical and parallelism is maintained throughout. In A the construction unlike men of science their female counterparts violates rules of parallelism and syntax. It would best be rendered as unlike men of science women of science . Choice B incorrectly suggests that a comparison is being made between men of science and a. problem faced by female scientists. In C the lengthy separation between women and they makes the pronoun