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搜题
【单选题】
下列哪种效应不是通过激动 M 受体实现的A.
心率减慢
B.
胃肠道平滑肌收缩
C.
胃肠道括约肌收缩
D.
瞳孔括约肌收缩
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反馈参考答案：
举一反三
【单选题】Dorothy worked alongside him, in the beginning, until he proved himself; then gradually she relinquished more of the work to him and concentrated on her garden and flowers, and the housework.
A.
(a) gave up
B.
(b) offered
C.
(c) took
D.
(d) reconsidered
【单选题】The work proved to be more ___________ than being a solicitor.
A.
satisfy
B.
satisfying
C.
satisfied
D.
satisfaction
【单选题】Dorothy worked alongside him, in the beginning, until he proved himself; then gradually she relinquished more of the work to him and concentrated on her garden and flowers, and the housework.
A.
gave up
B.
offered
C.
took
D.
reconsidered
【判断题】视频驱动（Video Drive，简称VD）方式是指摄像机将视频信号电平输出到自动光圈镜头的内部，再由其内部的驱动电路输出控制电压使镜头的光圈调整电机转动。视频驱动自动光圈接口使用3个针：电源正、视频、接地。
A.
正确
B.
错误
【单选题】Dorothy worked alongside him, in the beginning , until he proved himself, then gradually (relinquished) more of the work to him and concentrate on her garden and the flowers, and the house work.
A.
gave up
B.
offered
C.
took
D.
reconsidered
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