超前小导管支护必须配合()使用。
A.管棚
B.钢筋网
C.钢拱架
D.锚杆
参考答案：C
All the students in our class are working hard every day, which ___ to be a good result in the coming 2012 NMET.
A expects B. promises C. supposes D. thinks
八会穴中的骨会是
A．肩井
B．大椎
C．天柱
D．阳陵泉
E．大杼
