下列选项不属于中建五局“1357”基本工作思路中“7”所指内容的是（）
A.区域经营
B.重点突围
C.主辅分离
D.三自工作精神
参考答案：D
The students should strive _____ every subject well. [ ]
A. study
B. to study
C. studying
D. studies
The treatment will continue until the patient reaches the point ________ he can walk correctly and safely.
A．when
B．where
C．which
D．whose
