下列属于田汉所创作的剧本有（）。
A.《五奎桥》
B.《家》
C.《丽人行》
D.《回春之曲》
E.《南归》
参考答案：C, D, E
CT扫描中常用的FOV是指
A．矩阵大小B．兴趣区C．灰阶标尺D．扫描野E．激光胶片的分辨力
I had wanted to help you last night but I couldn't spare any time, for I＿＿＿a composition which I have to hand in this morning.
A．wrote
B．was writing
C．had written
D．have written
