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【单选题】
抗利尿激素的主要生理作用是A.
促进肾小管对Na+的重吸收
B.
促进肾小管分泌H+
C.
促进肾小管分泌K+
D.
使血管收缩,血压升高
E.
提高远曲小管和集合管对水的通透性
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举一反三
【单选题】Which of the following details about the bill is INCORRECT?
A.
The bill would make it a felony to be an illegal immigrant in the United States.
B.
The bill is not yet law.
C.
The bill proposes to erect fences along two-thirds of the U.S.-Mexico border.
D.
The bill would also penalize those who help or hire illegal immigrants.
【单选题】— Jane wasn't in when Jack came, was she? — _______, but she left a few minutes later. [ ]
A.
No, she was
B.
Yes, she was
C.
Yes, she wasn't
D.
No, she wasn't
【单选题】My sister with her boyfriend ______ England. You can call her next week.
A.
have gone to
B.
has gone to
C.
have been to
【单选题】Jane _______ a lot in the last few years. [ ]
A.
is changing
B.
has changed
C.
changing
D.
changed
【简答题】菜单例子程序。打开GUIDE,在GUI布局区放置坐标轴Axes,单击工具栏的添加菜单按钮,编辑菜单。修改菜单的属性Label和Tag。用鼠标拖动来修改控件和窗口的大小和位置。 要求:绘制正弦曲线,点击tool,开启grid on并截图
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