停车一般应采用预见性制动。

一组健康人分别在9时和21时静脉注射地西泮，9时给药比21时给药地西泮血药浓度的Cmax高，tmax短，而T1/2和AUC0-∞无差别，其可能原因是（）

A．9时给药地西泮的吸收多

B．9时给药地西泮的代谢慢

C．9时给药地西泮的血浆蛋白结合率低

D．21时给药地西泮排泄快

E．21时给药地西泮与组织结合多

For each blank, choose the best answer from the four choices and write down on the answer sheet.
Web browser is simply a terminal emulator, designed to display text on a screen. The two essential differences between an ordinary terminal emulator and a Web browser are that the browser knows how to deal with (71) , and that it has a mechanism for (72) graphical files. Display text, display graphics, and (73) hyperlinks—there’s 99 percent of the (74) value. That’s not to say that the manufacturers didn’t go all-out to attach a hyperactive efflorescence of useless capabilities onto their browsers. Remember when media channels in the browser were a big deal, instead of the clutter you can’t wait to delete from your favorites of bookmarks menu Remember when client-side Java applets were supposed to become the preferred (75) for application development Remember frames and all their nasty side effects

A. Web browser’s B. terminal’s C. emulator’s D. network’s

如图所示的生活用具，在使用中属于费力杠杆的是

从建构主义角度来看，目前认为比较有效的学习策略不包括（）。

A.支架式学习策略

B.抛锚式学习策略

C.随机进入学习策略

D.讲授型学习策略

贝多芬在耳聋前本希望成为：（）

A.歌唱家

B.指挥家

C.演奏家

D.作曲家