托福词汇学习：通过阅读记单词十八

    auspice n. 前兆；（s）赞助，支持

    auspicious adj. 预示成功的，有利的，幸运的

    authentic adj. 真迹的，真的；可靠的，确实的

    authenticate vt. 证明（某物）为真

    authoritative adj. 权威性的，可信的；（有）权威的，官方的

    authority n. 权力，极限；（某领域的）权威人士；authorities 当局

    authorize vt. 授权，批准

    autobiography n. 自传

    autocrat n. 独裁者

    automated adj. 自动化的

    automatic adj. （尤指机器）自动（化）的；（人）无意识的，机械的

    automaton n. 机器人

    autonomous adj. 自治的，独立的

    autonomy n. 自治权，自治

    auxiliary adj. 辅助的；补充的

    available adj. 自由的，有空的；可利用的，可得到的；有资格干某事的；愿意感某事的

    avalanche n. 雪崩

    avant-garde n. 先锋派（艺术流派之一）；先锋，前卫

    avenge vt. 复仇，报复

    average adj. 一般的，通常的；平庸的；n. 平均水平；平均数；vt. 平分为

    Joining the Peace Corps is an auspicious start to a career in the Foreign Service. Peace Corps volunteers perform charitable function in developing countries under the auspices of the U.S. Government. They primarily serve as auxiliaryadvisers or teachers. Most volunteers are average citizens just looking for a change of peace.

    Every volunteer receives a uniform. It's clean but far from avant-garde. You also receive a handbook. It's an authoritative manual for survival in your host country.

    The handbook contains some useful tips for staying out of trouble in a foreign country：

    1. Always respect the authorities in your host country.

    2. Don't authorize anyone to use your identification card.

    3. When crossing a mountain pass in the winter， beware of avalanche conditions.

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