读下面漫画“所剩无几”,该漫画的含义是[ ]
A.人口老龄化
B.环境污染
C.全球变暖
D.资源短缺
答案:D
---Were your parents at home last night?
---No. _______ of us went to my uncle’s birthday party.
A.None
B.Neither
C.All
D.Both
神经系统中发育最早的器官是
A.视觉器官B.听觉器官C.大脑D.脊髓E.小脑