记a₁=﹣3，a₂=（﹣3）×（﹣3），a₃=（﹣3）×（﹣3）×（﹣3），…，a_n= $\frac{\left(-3\right)\times \left(-3\right)\times \cdots \times \left(-3\right)}{n个-3}$ ．

 如图是显微镜下观察到的某种陆生植物叶的上下表皮（ab表示细胞）．以下判断错误的是（　　）

(A)

    I live in Shenzhen．Shenzhen is my hometown(家乡)．In spring，it's warm and wet．It always rains．But I don't like the rain．I can't go out to play．The summer in Shenzhen is very long．It is very hot and sunny．I can go to the beach．I can swim and play volleyball with my friends．The autumn in Shenzhen is very short．It's cool and windy．I can fly a kite on Lotus Hill(莲花山)．Winter comes fast after the autumn．But it is not very cold．It never(从不)snows in Shenzhen．I love the snow．I want to play with snow．

阅读短文，判断下列句子的对错。

接下来李伟通过如图所示实验操作验证他的猜想：