问题补充：
—TV and computer are so popular these days.
—Yes, they can our eyes to the outside world.
A. call up
B. open up
C. turn up
D. take up
答案：
A. call up
(答案→)B. open up
C. turn up
D. take up
解析：此题重点考查四个短语的不同意思。call up 召集,打电话给;open up 打开;开始;turn up出现,开大;take up开始从事,拿起.句意:电视盒电脑在当今非常流行._是的,他可以让我看开拓眼界,了解外部事物.故选B.
