古罗马的丘尼卡是一种()的形制。
A.披挂型
B.套头型
C.前开型
D.体型型
参考答案:B
The lawyer listened with full attention,()to miss any point.
A. not trying
B. trying not
C. to try not
D. not to try
葡萄胎在清宫术后血β-HCG通常降至正常水平的时间是()
A.2周
B.4周
C.8周
D.12周
E.14周