Our teacher often warnsus it’s ______ to leave much personal information on the Internet.
句意：我们老师经常警告我们上网留下大量的个人信息是危险的。
考查形容词辨析。interesting 有趣的；exciting 令人兴奋的；difficult 困难的；dangerous 危险的。根据“leave much personalinformation on the Internet”及常识可知，在网络上留下很多个人信息是危险的，故选D。
Our teacher often warnsus it’s ______ to leave much personal information on the Internet.
—Can I keep the book alittle ___________? I haven't finished reading it yet.
—Sorry. You have to return it on time.
What a________ boy! Heworked out such a difficult math problem.
Last year, three hundredEnglish teachers took part in the _______ English Training.
The little girl wrotea________diary last night.
Jenny’s parents werecompletely__________ when they saw the_______ changes in her.
—Why are you so happy,Mr. Wang?
—Because the movie yesterdayevening was so _______ and it made me ________.
—When I watched theChina's 70th Anniversary celebration on Oct. 1st, I was so ________.
—So was I. It was really ________.
—How is your life in thecountryside?
—It is _______ butsometimes I feel a bit _______.
I was 8 years old whenmy father was 31. This year my father is twice my age. How old am I?
