事物的度是

A．保持事物的质的极限
B．保持事物的质的量的范围
C．质变和量变的统一
D．质和量的统一

小题1:Julie is an active girl. She likes singing very much and she wants to be a singer.

小题2:Barry likes going to the movies with his parents on weekends. The Pacific Cineplex（太平洋电影院线）is showing Pirates of the Caribbean IV（《加勒比海盗4》）.

小题3:Joe lives in China and he would like to visit other countries next month.

小题4:Annie can’t swim at all. She wants to learn to swim to stay healthy.

小题5:Emma has many books and she usually reads books after class.