什么是位？它在结构图法中有什么意义？

根据下列各句句意，写出括号内单词的正确形式（每空1分，共10分）

小题1: Poverty, disease and ignorance remain major world problems. It is not a question that can be__________________.  ( ignore )

小题2: I was very _______________ to my teachers for their help and my gratitude to them was beyond words. ( grate )

小题3: While ________________ in the street, he happened to meet one of his friends.  ( walk )

小题4:My mother is the ________________ friend of mine.  ( good )

小题5:Both of us are interested in _______________________.  ( cycle )

小题6: Yesterday, the officer was _________________ approved ( 批准 ) that he could have a two- month holiday and he said he would spend his holiday with his old father.  ( office )

小题7:She is a _______________ woman who always gets what she wants. ( determine )

小题8:I will never forget the ________________ of the boss.  ( cruel )

小题9:I don’t think it fair to let them know the topic in advance （提前）. No, it’s _______ ( fair )

小题10: The storm destroyed many houses, and the _______________ of the railway was the biggest loss in the storm, which was the most destructive in 30 years. ( destroy )

排卵一般发生在月经来潮前（）

A.7天

B.10天

C.14天

D.18天

E.21天

女性，30岁，人工流产术后8个月。术后不断有 * * 流血，量不多。阴茎套避孕。现尿妊娠试验阳性，胸部X线摄片见两肺中下叶散在浅淡半透明圆形阴影及棉花团影。本例最可能的诊断为（）

A.绒毛膜癌

B.先兆流产

C.葡萄胎

D.侵蚀性葡萄胎

E.吸宫不全

根据卫生服务公 * * 品和个人产品的不同特征，简述在卫生服务市场中如何分别发挥政府和市场的作用？

口服利血平的降压特点是（）

A、降压作用强，缓慢而持久

B、降压作用弱，出现快，消失快

C、降压作用温和，缓慢而持久

D、降压作用强，出现快，消失快