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　　Studies of hermaphroditic plants may exhibit sampling bias against self-fertilizing and cross-fertilizing species, thus inflating the frequency of species using a mixed mating system (both self-fertilizing and cross-fertilizing); nevertheless the number of mixed-system species is not_____.

　　A：self-evident

　　B：static

　　C：trivial

　　D：relevant

　　E：calculable

　　答案：D

　　The pupil had a reputation for obduracy, but the teacher found her to be, on the contrary, quite_____.

　　A：zealous

　　B：astute

　　C：tractable

　　D：efficient

　　E：amusing

　　答案：C

　　While early biographies of Florence Nightingale tended to be quite_____, Lytton Strachey’s irreverent 1918 massage about her ushered in a new era, making it acceptable, even fashionable, to criticize her.

　　A：unsympathetic

　　B：unsentimental

　　C：sycophantic

　　D：pedantic

　　E：censorious

　　答案：C

　　In science education, it is important to differentiate between inaccurate ideas that are conceptually(i)_____and understandings that are inaccurate, and yet can (ii)_____learning of more sophisticated understanding. The former are simply wrong, the latter can be seen as incomplete, overly simplistic, or tied to only a few limited contexts.

　　Blank (I)Blank (II)

　　A：unproductive D：foster

　　B：unproblematic E：delay

　　C：distinct F：resemble

　　答案：AD

　　Reviews written by music critic and composer Stephenson were hardly (i)_____: musicians who performed his music could count on sympathetic coverage, while those who ignored him were held to (ii)_____standards.

　　Blank (I)Blank (II)

　　A：disinterested D：exacting

　　B：lucid E：minimal

　　C：conventional F：accepted

　　答案：AD

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