根尖片投照的分角技术是指A．X线与被检查牙齿的长轴垂直 B．X线与胶片垂直 C．X线

My Stay in New York

After graduation from university, I had been unable to secure a permanent job in my small town. So I decided to leave home for New York, 小题1:______I might have a better chance to find a good job. 小题2: ______ (earn) some money to pay the daily expenses, I started work in a local café as a waiter. I believe that小题3:______ ______ ______ I was offered a good position, I would resign at once.

Over time, the high cost of living became a little burden on my already 小题4: ______ (exhaust) shoulder. On the other hand, my search for a respectable job had not met with much success. As I had studied literature at university, I found it quite difficult to secure a suitable job in big companies. Mother had just said that 小题5:______ I want to have a better career advancement, I had to find work in the city. Perhaps 小题6:______my mother had told me was deeply rooted in my mind. I just did as she had expected.

Soon I had lived in the city for over six months but I still did not like it. Apparently, I had difficulty小题7:______ (adapt) myself to life in the city, let alone finding a job to my delight. After nine months of frustration, I eventually decided to go back to my small town. Not until I returned 小题8:______I realize that a quiet town life was the best for me.

下列哪一项是孕激素的生理作用

A．增强子宫收缩力，增强子宫平滑肌对催产素的敏感性

B．使宫颈口闭合、黏液减少，变稠，拉丝度减少

C．使 * * 上皮增生和角化

D．使乳腺管增生， * * 、乳晕着色

E．加强输卵管节律性收缩的振幅

风湿性心包炎(rheumatic pericarditis)

下列不属于正治法的是

A．热因热用
B．实则泻之
C．阴病治阳
D．补阴制阳
E．以寒治热

铅蓄电池的正常液面应高出隔板（）。

A.5-10

B.10-15

C.15-20