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问题 选择题

下列节日中，我国白昼时间最长的是（　　）。

A．元旦1月1日

B．劳动节5月1日

C．儿童节6月1日

D．国庆节10月1日

答案

答案：C

我国位于北半球，每年的6月22日（夏至日）前后白昼时间最长，而儿童节6月1日距离夏至日最近。

不定项选择

下图表示的是滑动变阻器连入电路的四种接法，当滑片P向右滑动时，能使电路中电流变小的是

[ ]

A．甲种接法

B．乙种接法

C．丙种接法

D．丁种接法

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单项选择题

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 (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

（73）处填（）。

A．direct

B．navigate

C．indicate

D．go-on
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