危险性较大的分部分项工程，应编制专项安全施工方案并附安全验算结果。
参考答案：对
句型转换。
1. Jim hurts his arm. (对划线部分提问)
2. Danny went to the park once last week. (对划线部分提问)
3. Jenny goes to school at 7:50 in the morning. (变为一般疑问句)
4. I think the kite is very beautiful. (变为否定句)
5. Does the girl's name begin with "M" ? (作否定回答 )
使用长效避孕药者，停药后需继续使用短效避孕药的时间是
A．1个月
B．2个月
C．3个月
D．4个月
E．6个月
