截止1949年年末,北京城区有名的街巷为1330条。( )P51
参考答案:错
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 fries. 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.superlinks
B.links
C.hyperlinks
D.connections
A.一根钢锯条的温度升高了,一定是刚用它锯了某个物体
B.夏天用冷水洗脸后再吹电扇感到格外凉爽,这说明水蒸发会吸热
C.体温计是根据水银热胀冷缩的性质制成的
D.普通照明灯泡用久了,灯丝会变细,是因为发生了升华现象