首次取得《建筑施工特种作业操作资格证书》的人员实习操作不得少于（）个月。
A．一
B．二
C．三
D．四
参考答案：C
________ I can see, there is only one possible way to keep away from the danger. [ ]
A. As long as
B. As far as
C. Just as
D. Even if
草坪修剪要遵循（）原则
