题目

Knowing the best way to study will help you to be a better student. By using your time properly, you can do your homework more quickly. Learning to study is not difficult. The first thing to remember is that you must be willing to learn. It doesn’t mean that you must always like the subject. It does mean, however, that you must be willing to do whatever is necessary to learn. Try to understand why it is important and how it will help you now and later to do and learn other things. Knowing mathematics facts will be useful in your whole life. Knowing how to spell makes any kind of writ下列作物与其生长的温度带的组合，正确的是 [　　] A．苹果──中温带 B．柑桔──亚热带 C．甜菜──暖温带 D．甘蔗──寒温带