根据《建筑施工起重吊装安全技术规范》3.0.14条（2012实施），（）等恶劣天气应停止吊装作业。

Why did Danielle fax Melissa?A．To sign up his son for the eventB．To share her volunteer experienceC．To offer to helpD．To express gratitude 点击查看答案

What does Danielle want to do for Walk'n Roll to School Day?A．To guide bicyclesB．To hold seminarsC．To publicize the eventD．Whatever the event needs her 点击查看答案