问题 单项选择题 A1/A2型题

发性痛经和继发性痛经的主要鉴别点是()

A.发病年龄

B.初潮年龄

C.有无盆腔器质性疾病

D.月经是否规律

E.是否需要使用镇痛药

答案

参考答案:C

解析:痛经的概念是指经前后或月经期出现下腹疼痛、坠胀,伴腰酸或其他不适,程度较重以致影响生活和工作质量者。痛经分为原发性和继发性两类,前者是指生殖器官无器质性病变所致的痛经,后者系指由于盆腔器质性疾病如子宫内膜异位症、盆腔炎或宫颈狭窄等所引起的痛经。

选择题
阅读理解

阅读理解。

     Shanghai: Car rentals (出租) are becoming more and more popular as an inexpensive way of taking to the

roads.Business people,foreigners and families alike are making good use of the growing industry.

     The first car rental firm opened in Shanghai in 1992 and now 12 car rental players are in the game, with

more than 11,500 cars in their books.

     The largest player-Shanghai Bashi Tourism Car Rental Center offers a wide variety of choices deluxe

sedans,minivans, station wagons, coaches.Santana sedans are the big favorite.

     Firms can attract enough customers for 70 percent of their cars every month.This figure shoots up during

holiday seasons like National Day, Labor Day and New Year's Day, with some recording 100 percent rental.

     The major market force rests in the growing population of white-collar employees (白领雇员), who can

afford the new service, said Zhuang Yu, marketing manager of Shanghai Angel Car Rental Co.

1. The words "deluxe sedans", "minivans" and "station wagons" used in the text refer to _____.

A. cars in the making

B. car rental firms

C. cars for rent

D. car makers

2. Which of the following statements is true according to the text?

A. 70% of the cars can be rented out on holiday

B. 70% of the customers are white-collar employees

C. More firms are open for service during holiday seasons

D. Some firms rent out all their cars during holiday seasons

3. Shanghai's car rental industry is growing so fast mainly due to _____.

A. better cars supplied by producers

B. fast service offered by car rental firms

C. the increasing number of white-collar employees

D. people's growing interest in travelling during holidays