药物动力学模型判别方法不包括A．作图法B．拟合度判别法C．AIC最小判别法D．最小残

San Francisco has many museums. You can visit one and learn something new, We have art, science, history and other special museums. Some museums are open every day. Some are only open on certain days. Many museums are expensive, and others are free. But some of the expensive ones have free days. May museums have websites. The websites usually have information about the things you can see in the museums.

On a museum's website you can get information about .ticket prices and free days. You can also know where the museum is and when it is open. Sometimes the information is on the first page, and it's very easy for you to find. But sometimes you have to click (点击)  on the words like Visit Information, or About to find the information. That will be hard work for you.

小题1:San Francisco has many museums for you visit and                .

A．learn something new

B．play computer games

C．watch the movies

D．click on Information小题2:Some museums in San Francisco are open every day, but some are only open           .

A．on weekdays

B．on weekends

C．on certain days

D．on holidays小题3:Many museums have             with information about the things you can see in them.

A．ticket prices

B．their websites

C．open hours

D．free days

处于活动期的狼疮，其辅助检查可能出现（）

A.血沉下降

B.免疫球蛋白下降

C.血清补体C₃增加

D.抗核抗体阳性

E.血红蛋白增多

下面对Drop权限的叙述中，正确的是______。

A．只允许删除数据

B．允许删除关系

C．允许删除数据库模式

D．和Delete权限等价

T₀℃时，在2 L的密闭容器中发生反应：X(g)+Y(g)Z(g)(未配平)，各物质的物质的量随时间变化的关系如图a所示。其他条件相同，温度分别为T₁℃、T₂℃时发生反应，X的物质的量随时间变化的关系如图b所示。下列叙述正确的是（  ）

A．该反应的正反应是吸热反应

B．T₀℃，从反应开始到平衡时：v(X)="0.083" mol·L^-1·min^-1

C．图a中反应达到平衡时，Y的转化率为37.5％

D．T₁℃时，若该反应的平衡常数K=50，则T₁＜T₀

下列基础中，属于柔性基础的是( )。

A．混凝土基础

B．钢筋混凝土基础

C．条形基础

D．独立基础