体重8.3kg,前囟1cm,出牙4个,能扶床栏杆站立,并会发声“爸爸”、“妈妈”,最可能的月龄是()
A.3个月
B.5个月
C.7个月
D.9个月
E.12个月
参考答案:D
地形复杂,在各大洲中地势起伏最大的大洲是[ ]
A.非洲
B.欧洲
C.亚洲
D.大洋洲
During the spring festival, the railway put on _____ trains to make people go home more conveniently (方便地). [ ]
A. particular
B. special
C. unusual
D. separate