格林-巴利综合征脑脊液检查的特征是________________。
参考答案:蛋白细胞分离
用所给单词的适当形式填空。
1. She is worrying about her daughter's _____ (ill).
2. Some countries are good at _____ (prevent) pollution.
3. The fact is that people today live longer than they _____ (do) in the past.
4. Why don't you _____ (write) down your name on the paper?
5. Welcome to our hotel. It's the _____ (good) in the city.
一批新的抗菌药物纸片用质控菌株检查应()
A.每天1次
B.每周1次
C.每月1次
D.每月2次
E.每年1次