荆棘，困难
A.布衣：学生
B.折柳：惜别
C.心腹：信任
D.桎梏：束缚
参考答案：B
解析：考点 类比推理
若3a=2，3b=5，则32a-b=______．
______ is often the case, Miss Wang was the first to get to school. [ ]
A. Which
B. What
C. As
D. It
