B． Database
C． File
D． Document
[单选题] (71) has many elements: text, audio sound, static graphics images, animations, and full-motion video.(71) A．MultimediaB． DatabaseC． FileD． Document
With the expansion of Chinese viewers, many Western filmmakers have started to _
[单选题]［A］ As more has become known of the many thousands of African plant species and their complex ecology, naming, classification, and mapping have also become more particular, stressing what was actually present rather than postulating about climatic po
[单选题]［A］ As more has become known of the many thousands of African plant species and their complex ecology, naming, classification, and mapping have also become more particular, stressing what was actually present rather than postulating about climatic po
[单选题]［A］ As more has become known of the many thousands of African plant species and their complex ecology, naming, classification, and mapping have also become more particular, stressing what was actually present rather than postulating about climatic po
[单选题]［A］ As more has become known of the many thousands of African plant species and their complex ecology, naming, classification, and mapping have also become more particular, stressing what was actually present rather than postulating about climatic po
[单选题]［A］ As more has become known of the many thousands of African plant species and their complex ecology, naming, classification, and mapping have also become more particular, stressing what was actually present rather than postulating about climatic po
[单选题]Recently, there has been many orders ____ the said goods.A . forB . onC . withD . about
[单选题]The fact has worried many scientists ______ the earth is becoming warmer and warmer these years.A． whatB． whichC． thatD． though
[单选题]A lubricant often has to perform many duties in any situation, in addition to its fundamental job of （）.A . resisting oxidizationB . reducing frictionC . promoting moving speedD . developing inertia