【单选题】Look at the handsome boy.He is ______brother.
【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!
【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
【单选题】在加注制冷剂时,如果以液体的方式加入( )