阅读短文，判断下面的句子是否与短文相符    Hello, friends! I am Bob. It's Monday today. I was very busy yesterday. In the morning, I got up early and had a math class. After math class, I went to the library and read books. I like to read books there. It's 12 0'clock, I went home by bus. I had lunch with my family. In the afternoon, I did my homework. When I finished it, it was too late. I was very tired and I went to bed late.

炒熟的种子，置于适宜的外界条件下，仍不能萌发，这是因为（　　）

质量为m的汽车，发动机启动后以额定功率P沿水平道路行驶，经过一段时间后达到速度匀速行驶．若行驶中受到的摩擦阻力大小不变，则在加速过程中车速为3时，汽车加速度的大小为

下列关于种群数量的叙述中错误的是（  ）

中南半岛的地形特点是（    ）