问题
单项选择题
X线透视检查的基础是
A．穿透性
B．荧光作用
C．摄影作用
D．电离作用
E．生物作用
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
X线透视检查的基础是
A．穿透性
B．荧光作用
C．摄影作用
D．电离作用
E．生物作用
参考答案：A
| 根据所给的首字母，英语释义和中文意思完成下列各句。 |
| 1. They (建造) many buildings last year. 2. I remember all the new words. I have a very good m_______. 3. There's a box of (火柴) on the table. 4. It is d________ to play with fire. 5. How many ________ (钢琴) are there in your school? 6. I was very happy because I h from my best friend. 7. He is interested in g . (地理学) 8. The old man _________(刷) his dog's fur every day. 9. Listen! There is someone _________ (敲) at the door. 10. A fox (狐狸) can't h_________ its tail. |
