问题
单项选择题
吸氧方式中，给氧浓度可达60%以上的是（）
A、氧气帐法
B、面罩法
C、鼻导管
D、鼻塞法
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
吸氧方式中，给氧浓度可达60%以上的是（）
A、氧气帐法
B、面罩法
C、鼻导管
D、鼻塞法
参考答案：B
| 阅读短文，判断下列各题，正确的画(√)，错误的画(×)。 | |
hair. I like to play badminton. The man is my father. He is a clerk. He goes to work by bus. The woman is my mother. She is shorter than my father. She is a nurse. She goes to work on her bicycle. The little girl is my sister. She is only five years old. She likes to play with her dolls. My family likes to have fun together. We often go to the park to fly kites. We are a happy family. ( ) 1. Peter has short, brown hair. ( ) 2. Peter's father goes to work by bus. ( ) 3. Peter is younger than his sister. ( ) 4. Peter's mother works in a store. |