穿行于膝关节腔的韧带是:()。
A.髌韧带
B.胫侧副韧带
C.腓侧副韧带
D.前后交叉韧带
参考答案:D
When I arrived home,I remembered that I _________my key in the classroom.[ ]
A. forget
B. forgot
C. leave
D. left
怎样用经验试验法试验机油泵的性能?