A：f（x）= 1x
B：f（x）=2x
C：f（x）=ln（x2+1）
D：f（x）=lg（x+1）
Tom is _______ with the homework because he has to hand it in half an hour.
①建议政协委员进行相关专题调研
②国家应该加强对共享经济的立法
③市民应该提高自身思想道德素质
④提供共享单车的企业是弱势群体
下列关于名著的说明，不正确的一项是 ( )
China is seeing ______ growing trend in the number of people owning pets and ______ recent survey finds that one in 13 Chinese now keep animals.
