[交际用语]Do you happen to have twenty dollars with you?_________I want to buy ...

[交际用语]Do you happen to have twenty dollars with you?_________I want to buy ...

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[完型填空]Glasses protect people's eyes from bright light. Microscopes make tiny...

[完型填空]Glasses protect people's eyes from bright light. Microscopes make tiny...

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[ 词汇与结构]- Smoking is bad for your health. - Yes, I know. But I simply can't ...

[ 词汇与结构]- Smoking is bad for your health. - Yes, I know. But I simply can't ...

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跟石头和金属相比,木质砧板从表面上看也是硬邦邦―块,可“内心”柔软,内部的植物纤维虽紧密排列,但仍有很多细微的空隙。这使它在受到剧烈冲击时,

跟石头和金属相比,木质砧板从表面上看也是硬邦邦―块,可“内心”柔软,内部的植物纤维虽紧密排列,但仍有很多细微的空隙。这使它在受到剧烈冲击时,内部结构发生弹性微调,既能避免与刀刃硬碰硬伤及刃口,又能吸收一部分冲击力,不会让刀刃在接触板面的一刹那,由于反弹力过大而“剑走偏锋”发生侧滑,这在连续切割,比如剁馅、切丝时尤为明显。画线句子中的“这”指的是木质砧板的:A.外观形态B.材料来源C.制作工艺D.结

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[阅读理解] Long, long ago there was no zero. To write the number sixty-three...

[阅读理解] Long, long ago there was no zero. To write the number sixty-three...

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