生物学家对生物进行分类的依据是（    ）

①状性差异   ②亲缘关系   ③寿命长短   ④营养方式

对下列曲线图的相关描述，正确的是(   )

①事物发展的道路是曲折的

②质变是量变的必然结果

③质变是一种渐进的、不显著的变化

④统一体的平衡和静止被破坏易导致质变

台湾农产品主要分布在____ 地区，森林主要分布在____ ．

先通读短文，掌握其大意，然后从A、B、C、D四个选项中选出一个可以填入相应空白处的最佳答案。

    This is my 1. How do you like it? I like it very much. It's always tidy. You can see a map of China and 2 pictures on the walls. My classmates and I draw（画）the pictures. We have a soccer in 3classroom, but you can't see it. It's under the  4 desk.

    Our teachers are always very5. They do many things every day. We have our lessons 6 8:00 in the morning to 4:00 in the afternoon.  7, we like playing games. Soccer is my favorite. My classmates like to play  8 with me because I can play it very well. Then in the evening, we have two more classes. I like to be with my classmates. I  9 a good time with them every day.

       10  about you? Do you like your classroom?