问题
单项选择题
致病性葡萄球菌的鉴定主要根据
A．呈葡萄串状排列的C+球菌
B．产生金黄色色素
C．有溶血性
D．产生凝固酶
E．发酵乳糖
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
致病性葡萄球菌的鉴定主要根据
A．呈葡萄串状排列的C+球菌
B．产生金黄色色素
C．有溶血性
D．产生凝固酶
E．发酵乳糖
参考答案：D
| 选择方框中的句子补全对话，有一项是多余的。 | |
| |
| A: Good morning, Miss Smith. B: Hi, Sandy. Where have you been? A： l___ B: Really'? That's great! Did you talk with Mark and Judy? A: Yes, but only a few words. And I'm not sure if they could understand me. B：No problem. 2 __ A: But I'm afraid of making mistakes when I speak. B: 3 You should believe in yourself. A: But do you think they like to talk with us beginners? B: Yes, unless they're busy. A: Well, I'm still not so confident. You know my pronunciation is poor. B: 4 Try to talk with them as much as you can. A: All right. 5 1._________2._________3._________4._________5._________ |