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1985年，无锡人王选发明了什么伟大技术？

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全国人大会议每年举行一次，由委员长召集。

A. 正确
B. 错误

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苏轼曾在哪位名僧的画作《春江晚景》上题诗？

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卖家应对自行填写的默认退货地址确保正确，交易达成退货协议后，若需要指定退货地址或多地址退货的，应当征得（）同意。

A. 买家
B. 淘宝平台
C. 承运人

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As a Cisco Network Engineer, you have to master the knowledge of the Cisco validated Design (CVD) program. Which three of the following descriptions are appropriate about the CVD program?（） (Choose three.)

A. It incorporates a narrow range of technologies and products.
B. It facilitates faster and more reliable customer deployments.
C. It extends the value of designs through a sustained development plan.
D. It incorporates products and technologies into enterprise, service provider, and commercial systems.

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