在X线片上出现骨折骨性愈合征象的时间是
A．1～2个月
B．2～3个月
C．3～6个月
D．7个月
E．8个月
参考答案：C
After the patients went into the office,＿＿working.
A．only a doctor did they see
B．only a doctor saw they
C．only a doctor they saw
D．only a doctor had they seen
A．Ⅰ、Ⅱ、Ⅲ、Ⅴ
B．Ⅰ、Ⅱ、Ⅳ、Ⅴ
C．Ⅰ、Ⅲ、Ⅳ、Ⅴ
D．Ⅰ、Ⅱ、Ⅲ、Ⅳ
