面积最大的洋是（）
A.太平洋
B.大西洋
C.印度洋
D.北冰洋
参考答案：A
What _____ he _____ the sitcom?[ ]
A. does; think of
B. does; thinks about
C. do; thinks of
D. do; think about
示波管电子偏转的原理和显象管电子偏转原理相同。( )
