中国诗坛泰斗艾青，作品有（）
A.北方
B.向太阳
C.旷野
D.黎明前的通知
参考答案：A, B, C, D
有“活化石”之称的植物是（）
A.水杉
B.银杉
C.银杏
D.云杉
Galileo lived in the City of Pisa,()there is a leaning tower about 180 feet ().
A．in which; height
B．where; in height
C．which; high
D．where; height
