防止触电事故的组织管理措施有哪些？
参考答案：
（1）管理人员机构（2）规章制度（3）安全检查（4）安全教育（5）安全资料。
根据词首字母和汉语提示完成单词。
1. The woman has studied English s _____ 1990.
2. —Have you heard a _____ Lei Feng?
—Yes, of course.
3. The plane has a _____ in Tianjin already.
4. In fact, since 1988 _____ (工程) Hope has built schools all over China.
5. How long has Lingling _____ (认识) Sally?
顶区淋巴回流至（）。
A.颏下淋巴结
B.下颌下淋巴结
C.耳后淋巴结
D.枕琳巴结
g has Lingling _____ (认识) Sally?