更多"Telepresence and video conferencing"的相关试题:
[单项选择]Telepresence and video conferencing have been an increasingly important component of the overall collaboration marker, which indicator is the best measure of the continued importance of these technologies going forward?（）
A. generation Y ,raised on video, comprises 17 percent of the world population
B. the annual growth rate of the video-conferencing market is 23 percent
C. the U.S internet traffic annual growth rate is more than 40 percent
D. thecisco long-term growth-rate target is 12 percent to 17 percent
[单项选择]What a fool I have been! Why（）I think of that before?
A. don’t
B. didn’t
C. not
D. do
[单项选择]Even though I have been to her apartment several times before, I still don't remember ______ .
A. which building it is in
B. which the building is in
C. which is it in
D. which building is it in
[单项选择]I have been for years troubling the pages of historians, to find out what our fathers have done to the native Americans, but I must say, that my researches have ______ been to no effect.
A. therefore
B. hitherto
C. however
D. nevertheless
[单项选择]
I have been trying to quit smoking.（）
A. give up
B. pick up
C. build up
D. take up
[单项选择]I have been working for nearly 8 hours. I ______ at four o'clock.
A. was leaving
B. left
C. have left
D. am leaving
[单项选择]Since my childhood I have been always taught that it is very ______ to interrupt others.
A. rude
B. rough
C. crude
D. coarse
[单项选择](Were) it (not the storm), we (would have been) (in time).
A. Were
B. not the storm
C. would have been
D. in time
[填空题]I have been （） (深深地) impressed by a number of experiences in her life.
[单项选择]I always have been ______ in self-confidence and decision.
A. incomplete
B. deficient
C. defective
D. infinite
[单项选择]I think the beef must have been rotten, it ______ unpleasant smell.
A. gives off
B. gives up
C. gives in
D. gives out
[单项选择]— I ______ you ______ out. — No. I have been here all the time.
[单项选择]______I have never been to Beijing, I know about it from the book.
[单项选择]I have been trying to {{U}}quit{{/U}} smoking.
A. give up
B. pick up
C. build up
D. take up
[单项选择]I have been doing much better ______ English since the teacher came.
[单项选择]I have been trying to {{U}}gui{{/U}}t smoking.
A. give up
B. pick up
C. build up
D. take up
[单项选择](I have been) told that he (will have come) if he (were) (able).
A. have been
B. will have come
C. were
D. able
[单项选择]______Lily______ I have been to the Great wall.
