解决这种水资源地区分布不均的有效措施是( )
A:南水北调
B:修水库
C:跨流域调水
D:人工降雨
我们与父母进行沟通,关键是( )
已知a,b,c满足c<b<a,且ac<0,则下列选项中一定成立的是( )
比较兔和玉米体内的各种化学元素,其结果是( )
Like is name toy bears play kites don’t
My ____is Anna. I am eight years old. I'm a girl. I ____ kites and dolls. This ____Mary. She's my sister. She likes____ and dolls too. But we ____like toy cars and ____. We often____together.