若脓汁标本经涂片革兰染色镜检发现葡萄球菌,试问为确定该菌是否有致病性应该检查哪一种酶()
A.血浆凝固酶
B.触酶
C.DNA酶
D.尿素酶
E.卵磷脂酶
参考答案:B
请根据句意,用括号中所给词的适当形式填空。
1. Tom __________________ (not do) his homework last night.
2. Miss Gao is one of ______________ (good) teachers in our school.
3. She hurried to the room _______________ (ask) where the student was.
4. Yao Ming was _____________ (call) "Big Yao". He likes the name.
5. Many people are looking forward to ______________ (come) to China.
6. We _____________(reach) Nanjing next Friday.
7. The pilot landed on the ground ____________ (safe).
8. March 8 is ______________(woman) Day.
男,62岁,进行性排尿困难3年,近半个月来加重,过去有尿潴留史,侧日残余尿100ml。尿常规WBC++/HP,浓球成堆最大可能的诊断是()
A.膀胱结石
B. * * 结石
C.膀胱肿瘤
D.前列腺增生症
E.神经原性膀胱