急性胰腺炎假性囊肿形成时间为()
A.病后3~4小时
B.病后24小时
C.病后3~4天
D.病后3~4周
E.病后3~4个月
参考答案:D
After they _______ stars in their own country, the Beatles _______ the United States.
A.had become; toured
B.have become; toured
C.became; toured
D.became; had toured
读下图世界某些岛屿或大陆轮廓分布图
小题1:种植多汁牧草,乳肉畜牧业发达的是:
A.①
B.②
C.③
D.④小题2:受暖流和信风影响,有热带雨林分布的是:
A.①③ l
B.②③l
C.①②③kl
D.①③④