A:溶酶体是细胞内的“消化车间”,可以合成多种水解酶,分解衰老损伤的细胞器
B:被溶酶体分解后的产物全部都被排出细胞外
C:溶酶体膜被硅尘破坏后会导致肺功能受损
D:溶酶体的双层膜结构在普通光学显微镜下是不可能看见的
The job of the speaker
A____
The first thing that you have to do
Write a ____about yourself
The third thing to do
Read the paper to the____
Things you can't do
Don't ____that will make everyone laugh.
The time to get everything ready
____