计算机通过电话网拨号方式上网时，异步传输的字符同步，下列选项(37)的说法是正确的：采用数据位为8位的异步起止方式传输数据时，其效率最高为(38)，高级数据链路控制规程(HDLC)是(39)提出的标准；HDLC帧同步标志是(40)；HDLC协议为保证帧同步标志路上传输时的惟一性，对数据进行的处理是(41)字节。

(103)

(102)

(100)

(101)

(98)

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?

(97)

(96)

(95)

In　a　data　warehouse　environmem,　data　is　only　valuable　when　it　is　organized　and　displayed　as(75)