A （74） is a device that enables the computer to handle sounds.

（74）

A． network card

B． video card

C． sound card

D． monitor

[单选题]A． (74) is a device that enables the computer to handle sounds．A．network cardB．video cardC．sound cardD．monitor

[单选题]A．(71) is a device that enables the computer to handle sounds.A．video cardB．network cardC．sound cardD．card games

[单选题]is a device which enables digital microcomputers to communicate across analog telephone lines.A．The switchB．The modemC．The hubD．The repeater

[单选题] A(75) is a device that enables data from one computer to travel to another computer by using telephone lines.(75) A. modemB． diskC． printerD． CPU

[单选题]Every Web site and electronic device connected to the Internet must possess a unique (75).(75) A．E-MailB．IP addressC．serverD． NOS

[判断题] CO在空气中的爆炸极限是4%～74%。A . 正确B . 错误

[单选题]A word processor enables you to create a (70) ，store it electronically on a disk，display it on a screen，modify it by entering commands and characters from the keyboard，and print it on a printer.(70) A．fileB．documentC．textD．paper

[单选题]The load chart of a crane enables the operator to combine the load radius with boom length to determine the（）.A . maximum counter weight requiredB . minimum horsepower requiredC . hoist rope strengthD . allowable load

[单选题]A． word processor enables you to create a(66), store it electronically on a disk, display it on a screen, modify it by entering commands and characters from the keyboard, and print it on a printer.A．fileB．documentC．textD．paper

[单选题]A． word processor enables you to create a(70), store it electronically on a disk, display it on a screen, modify it by entering commands and characters from the keyboard, and print it on a printer.A．fileB．documentC．textD．paper