A:生活中某些负面的情感体验对于我们的成长也有意义
B:负面情感都对我们的成长有益
C:负面情感体验都危害身心健康
D:善于将负面情感转变为成长的助力,可以让我们不断成长
如图,一块三角形空地上种草皮绿化,已知AB=20米,AC=30米,∠A=150°,草皮的售价为a元/米2,则购买草皮至少需要( )
Hello, I'm Helen. I'm twelve years old. I'm in Garden Primary School. Jane is my classmate. We're good friends. I've got a green bicycle. It's new. I often ride the bicycle to go out and play. Today is Sunday. Jane and I go to visit Aunt Wang by bicycle. She lives in Pudong. She works in a hospital. She likes to make sick people better. She works very hard. It's 5: 45 now. It's dark outside. We must say goodbye to Aunt Wang.