在修理作业时，怎样防止修理工具出现断裂？
参考答案：修理作业前检查各种使用工具的安全性和完好性。
阅读理解，选择正确答案。
My name is Tim. I am a student. I'm 10. I'm from England. I have a new Chinese teacher. She's Miss
White. She's very young. She's tall and thin. She is strict, but she's funny. Her class is so much fun. We all like
our Chinese teacher.
1. Tim is an boy.[ ]
A. Chinese
B. English
2. Tim's Chinese teacher is .[ ]
A. a woman
B. a man
3. Miss White is and . [ ]
A. young, tall
B. young, short
4. Miss White strict.[ ]
A. isn't
B. is
5. Miss White is a teacher.[ ]
A. old
B. new
强烈的______辐射可引起皮炎，皮肤接触沥青后再经其照射，能发生严重的光感性皮炎。
A．红外线 B．激光C．紫外线 D．X线机
