根据句意及首字母或汉语提示完成单词。

1. She lives a_____in a small village, but she  doesn't feel lonely.

2. People will be a_____to visit Mars in the future.

3. I will _____(或许)go skating and swimming  every day.

4. Yang Zhenning is a famous_____(科学家)．

5. I  think_____(预测)the future can be difficult.

用显微镜观察洋葱表皮装片时，先后用10×的目镜和10×的物镜与10×的目镜和45×的物镜观察洋葱表皮的同一部位，比较两次看到的结是[ ]

A．都是倒像，细胞数目由少变多

B．都是倒像，细胞数目由多变少

C．都是正像，细胞图像由大变小

D．都是正像，细胞图像由小变大