问题
单项选择题 A1/A2型题
在显微镜下观察真菌时，常用以下哪种物质处理标本（）.
A.甘油
B.氢氧化钾
C.明矾
D.二甲基亚砜
E.氯化钾
答案
参考答案：B
解析：真菌直接检测法常用10%～20%的氢氧化钾，并加热使标本组织溶解透明，用低倍镜和高倍镜检测。
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在显微镜下观察真菌时，常用以下哪种物质处理标本（）.
A.甘油
B.氢氧化钾
C.明矾
D.二甲基亚砜
E.氯化钾
参考答案：B
解析：真菌直接检测法常用10%～20%的氢氧化钾，并加热使标本组织溶解透明，用低倍镜和高倍镜检测。
| 阅读理解。 |
| My friend Joan is a nurse at St. Luke's hospital. She has been a nurse since last September. She is a short pretty girl with large eyes. Joan finds the work interesting, but the hours are very long. Every day she works in a ward (病房) from eight to twelve. She brings the patients (病人) medicine, answers their rings, and tries to be kind to everyone. She likes people even when they are not happy. In the afternoon Joan has a rest. Then four days a week she goes to classes. She is learning first-aid (急救) and chemistry. She is not good at chemistry, but she is good at first-aid work. She is a good nurse. |
| 1. Joan has been a _____ since last September. |
[ ] |
| A. teacher B. worker C. nurse D. driver |
| 2. What does she do in the morning? She _____. |
[ ] |
| A. has a walk B. goes to classes C. brings the patients medicine D. reads books on medicine |
| 3. She _____ even when they are not happy. |
[ ] |
| A. likes children B. likes people C. visits children D. visits people |
| 4. Joan _____ in the afternoon. |
[ ] |
| A. brings the patients medicine B. answers the patients' rings C. goes to classes D. has a rest |
| 5. Joan is good at _____. |
[ ] |
| A. chemistry B. first-aid C. swimming D. Chinese |