在使用显微镜的过程中,如果外界光线不变,当放大倍数增大时,视野中的光线将变 。动、植物的组织,是在细胞分裂的基础上,经过细胞 形成的。
We've got 3﹣day holiday (include)New Year's Day.
She fell ( heavy)to the ground.
I really enjoyed ( watch)the film again.
The Smiths live on the (eight)floor.
George walked into the room and (turn)on the light.