【单选题】— Wow, isn't this handsome device the most popular iPad 2? Can I have a look at it? — _______. [ ]
B.
Sorry, it is expensive
D.
Of course, it looks good
【简答题】Look at the __________ (policeman). How handsome they are!
【单选题】----Wow, isn’t this handsome device the most popular iphone5? Can I have a look at it? ----___________.
【简答题】光纤的传输原理:在发送端先将 信号通过 转换为 信号。在接收端使用 将 信号转换成 信号。
【简答题】新生儿败血症国内最常见的病原菌为(),其次是()。
【判断题】光纤的传输原理基于光从折射率高的介质入射到折射率低的介质时会产生折射。
【单选题】--Wow, isn’t this handsome device the most popular iphone5? Can I have a look at it? --______.
C.
Of course, it looks good