【C18】A．recreationB．educationC．emotionD．life

【C18】A．thatB．whichC．whatD．／

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Parents should realize that "example is better than precept."A．instructionB．educationC．ima

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Rich people in Britain have been hunting foxes______.A．for recreationB．to limit the fox po

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【C12】A．senseB．conceptC．emotionD．feeling

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【C9】A．attitudeB．feelingC．emotionD．mood

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Bicycling, according to the speaker, is mainly a form. of______.A．recreationB．challengeC．e

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下列物质中 ( )是目前已经肯定的必需脂肪酸。A C16:2B C18:2C C18:3D C20:3(E)C20:4

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