船山学社位于中山东路北侧，为一座（）的院子。
A.二进四合院
B.三进四合院
C.四进四合院
D.抬梁式
参考答案：B
求x的值：64（x+1）3=27。
When you decide to start a family, you make a/an ____ to them. You don't turn your back on
the people who love you. [ ]
A. contribution
B. commitment
C. devotion
D. effort
