A：癌细胞能够无限增殖
B：癌细胞的形态结构发生了变化
C：癌细胞在适宜的条件下只能分裂50～60次
D：癌细胞彼此之间的黏着性降低，导致其易在机体内分散和转移
dumplings, banana, juice pear, eleven, watermelon, rice, eight, water, twelve, tea, bread
It's Saturday morning. My parents and I are on a tour bus. There are about twenty people on the bus. Some are from America, and some are from England and Australia. They are all our friends. We are going to the Great Wall. On the bus, there are two Chinese. One is a woman, the other is a man. The woman is good at English. She is talking with us about the Great Wall. The other people are listening to her. They like the Great Wall. They want to see it very much.
下列各句中，划线的成语使用恰当的一项是（ ）
