题目

关于液体，下列叙述中正确的是（ ） A . 露珠呈球形是因为液体的表面张力的缘故 B . 液体的表面张力垂直于液面指向液体的内部 C . 液体与固体接触的附着层分子如果比液体内部更稀疏，则液体与固体表现为浸润 D . 对特定的液体和特定材质的毛细管，管的内径越小毛细现象越明显 E . 加上不同的电压可以改变液晶的光学性质(选择适当的句子补全对话) A. Does Mona have a dog? B. No, it isn’t. C. Yes, it does. D. Is it Alice’s(……的) dog? E. He has two black dogs. F. Is it a dog? G. But her dog is in her room. Jim: Eric. Is this your dog(狗)? Eric: (1) My dog is black and white, but this dog is black. Jim: (2) Eric: No. Alice’s dog is brown. Jim: Oh. (3) Eric: Yes, she does. (4) Jim: Ha! I know. This is Bob’s dog. (5) ndline