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问题 单项选择题

男，5岁，腹痛，黏液便并偶带血10余天。钡灌肠见乙状结肠远端有1×1cm大小圆形充盈缺损，边缘光滑锐利，有一定活动度。首先考虑的诊断为()

A．结肠息肉

B．结肠息肉恶变

C．结肠癌

D．结肠憩室

E．结肠炎

答案

参考答案：A

选择题

“从物到感觉和思想”和“从思想和感觉到物”是

A．辩证唯物论与旧唯物论两条认识路线的对立

B．辩证法和形而上学的对立

C．唯物论和唯心论两条认识路线的对立

D．可知论与不可知论的对立
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单项选择题

In the following essay, each blank has four choices. Choose the best answer and write down on the answer sheet.

A 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 (1) , and that it has a mechanism for (2) graphical files. Display text, display graphics, and (3) hyperlinks ——there’s 99 percent of the (4) 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 (5) , for application development Remember frames and all their nasty side effects

3（）

A．direct

B．navigate

C．indicate

D．go-on
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