水中的悬浮物是指水样通过孔径为()um的滤膜,截留在滤膜上并于()℃下烘干对恒重的固体物质。
参考答案:0.45;103-105
用所给动词的适当形式填空。
1. Many people attended his wedding, ____ (include) two foreigners from Sydney.
2. He will have his house ____ (repair), for the rainy season is coming.
3. The English ____ (speak) at that time was quite different from the English ____ (speak) today.
4. In winter he had to wear a heavy coat and put his feet in a box ____ (keep) warm.
5. England, America, Canada and Australia are all English ____ (speak) countries.
6. Very often, people from ____ (neighbour) towns can speak a little different dialect.
7. Sometimes even children can play a very important part in ____ (make) decisions about family affairs.
8. At the age of fourteen, he left his village school and taught himself while ____ (work) in a bank
单足站立时,对侧骨盆不能抬起()。
A.不稳定髋
B.先天性髋关节脱位脱位期
C.打气筒征阳性
D.Trendelenburg征
E.先天性髋关节脱位继发性病变