【C18】A．merelyB．alwaysC．mainlyD．almost

请在第__（59）__处填上正确答案。 查看材料A.merelyB.suddenl

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【C2】A．SeldomB．AlwaysC．FrequentlyD．Rarely

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【C3】A．whollyB．largelyC．mainlyD．partly

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A．merelyB．consistentlyC．previouslyD．rarely

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【C6】A．seldomB．alwaysC．oftenD．never

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This instrument is______that one.A．almost as useful thanB．as almost useful asC．almost as u

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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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