皮皮学,免费搜题
登录
搜题
【简答题】
Domagk 发现百浪多息的红色染料可以使鼠、兔不受链球菌和葡萄球菌的感染,后发现其具有药效作用的是在体内发生了代谢的产物 --- 对氨基苯磺酰胺。磺胺类药物的发现,开创了药物体内代谢产物作为先导化合物进行新药开发的先例,并形成了代谢拮抗学说。请简要回答代谢拮抗的定义?
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Which event directly provoked the American Revolution?
A.
No representation of the colonies in the British Parliament
B.
The Boston Tea Party incident
C.
New taxes imposed by Britain on the colonies
D.
The France-Britain War
【单选题】超声断层图像分析是由浅入深按解剖层次进行的,腹部超声应包括 ( )
A.
皮肤及皮下组织
B.
肌肉组织(腹壁组织)
C.
腹膜腔
D.
腹部内脏结构
E.
以上都有
【判断题】An agenda is a list of topics, which should be distributed only to the chairman of the meeting.
A.
正确
B.
错误
【判断题】In the event of a major tube failure of fire tube boiler, high-pressure water can be forced directly into the furnace area, rapidly creating large quantities of steam, which have the potential for ...
A.
正确
B.
错误
【单选题】有下面代码:  int  a1=10,b1=12; b1+=a1;则b1的值为(   )
A.
12
B.
10
C.
13
D.
22
【单选题】代码块如下: int a1=10,b1=12; b1+=a1;则b1的值为( )
A.
12
B.
10
C.
22
D.
13
【单选题】Which real-life event is almost directly represented in the novel?
A.
The Banana Massacre of 1928
B.
The Venezuelan coup d’état of 1958
C.
The Thousand Days' War
D.
The bogotazo
【判断题】An agenda is a written list of topics or matters to be discussed at a meeting.
A.
正确
B.
错误
【单选题】如图所示,长L的轻质细杆,一端固定有一个质量为m的小球,另一端由电动机带动,使杆绕O点在竖直平面内做匀速圆周运动,则下列说法正确的是( )
A.
小球通过最高点时,对杆的作用力一定等于零
B.
小球通过最高点时,对杆的作用只能有压力
C.
小球通过最低点时,对杆的作用可能有压力或拉力
D.
小球通过最低点时,对杆的作用只能有拉力
【判断题】Agenda is a list of the subjects to be dealt with or talked about at a meeting.
A.
正确
B.
错误
相关题目: