观察过程中，若发现视野中有异物，移动玻片后，异物没有移动；换用其他目镜后也没有移动，那么你认为异物可能是在（　　）

A．镜筒中

B．物镜上

C．反光镜上

D．盖玻片上

用所给词的适当形式填空。

1.Do you have a _____(health) lifestyle?

2.John drinks lots of _____(coffee)every day.

3.Bill is kind of _____(healthy)．He often feels ill.

4.Learning skills help you _____(get) high grades.

5._____(eat) habits are important for our health.

6.My sister eats _____(little)meat than before to lose weight.