【单选题】It cannot hurt to ask a fruit seller in Tahiti for a lower price.( )
【单选题】If someone says, "It cannot hurt to ask." he means ______________.
A.
it's a good idea to ask.
B.
he doesn't want to ask.
C.
it will hurt if he asks.
D.
he's not sure whether to ask or not.
【简答题】MOOC是Massive( 大规模的 )、 Open( 开放的 )、 Online( 在线的 )、 Course( 课程 )四个词的缩写, 指( ) ,是由很多愿意分享和协作以便增强知识的学习者所组成。
【简答题】Where did Maggie's brother hurt so he cannot attend the formal race?
【单选题】继发型肺结核与原发性肺结核的主要不同点是
【判断题】MOOC是一种以开放访问和大规模参与为目的的在线课程,其中“开放”指任何一个学习都可以付费注册任意课程进行学习。
【单选题】Mr. Zhang is the best music teacher in our school, but he has hurt his left foot and cannot ________tomorrow’s concert.
【简答题】A.She'll get hurt when skiing. B.She cannot learn skiing well. C.She will get lost on the mountain. D.She won't get the map.
【单选题】近年来兴起的慕课( mooc)指的是( )