我国主要资源人均占有量与世界平均水平的比较表,它直接反映了我国自然资源[ ]
A.种类单一
B.人均占有量少
C.开发难度大
D.分布不平衡
答案:B
I have called the station and they told me the next train for Da Lian _____ at 3:10.
A.will leave
B.left
C.has left
D.leaves
鹅口疮好发于()
A.新生儿
B.幼儿
C.学龄前儿童
D.学龄儿童
E.青春期儿童