Some students spend ________ time on the Internet. They forget to study, eat and sleep. They can't even communicate with people in real life.
A:too many
B:many too
C:too much
D:much too
在植物的生活环境中,只要有阳光就能正常生长.(判断对错)
图示法是我们日常学习中表示概念关系的重要方法。如图所示的是公有制经济和国有经济的关系。下列可以用此图所示方式表示的是( )