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问题 多项选择题

税控收款机管理系统中发票注销功能模块包括哪几种功能（）。

A.正常用户发票注销

B.非正常用户发票注销

C.正常用户卡内发票注销

D.非正常用户卡内发票注销

答案

参考答案：A, B

单项选择题

汽车制动时，真空助力器加力气室处于（）状态。

A、真空

B、常压

C、前腔真空，后腔常压

D、前腔常压，后腔真空
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单项选择题

The primary reason for withholding food and fluids from a client who will receive general anesthesia is to help prevent（）

A. constipation during the immediate postoperative period.

B. vomiting and possible aspiration of vomitus during surgery.

C. pressure on the diaphragm with poor lung expansion during surgery.

D. gas pains and distention during the immediate postoperative period.
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