根据上下文，在空格处填上适当的词，使其意思完整、语法正确，每个空格限填一个词。

      Yesterday morning an old woman (1)             a lot of things in a shop. She put them in a

big (2)            . She was going to carry it to the car, but the box was heavy and the car wasn't

(3)            . At that time Li Ping and Han Mei were (4)             by the car and talking. When

they (5)             the old woman and the big box beside her, they went to (6)             her. They

lifted the heavy box and (7)             it to the car. Suddenly the box (8)             down and one of

Li Ping's feet was (9)             hurt. He had to lie in bed in the hospital for several days. He became

worried about his lessons. But his friend Han Mei said," (10)             worry about your lessons. I

will come to help you with your lessons after class every afternoon."

Muller液（）。

A.多用于固定淋巴组织

B.多用于硬化神经组织的固定

C.适用于多种肽类抗原的固定，多用于免疫电镜研究

D.对糖原固定最好

E.适用于含脂肪的淋巴结、乳腺组织和脂肪瘤的固定