刘德华在电影《墨攻》中扮演了一位墨家的学者，组织了对赵国进攻的反抗，以下哪点是符

阅读短文，判断正（用“A”号）、误（用“B”号）。

     Shanghai and Beijing are both big cities, but Beijing has a longer history (悠久的历史). There are more

tall buildings in Shanghai, but the streets are not wider (宽的) than (比) those in Beijing. There are much

more trees in Beijing, and the air is better (更好). There are more parks in Beijing and they are more beautiful

than those in Shanghai. But there are more rivers in and around Shanghai. The Huangpu River is much wider

than Yongding River.

     In summer, Beijing is not as hot as (不如......热) in Shanghai, but it is colder in winter. Spring in Shanghai

is longer and it is nicer. There is not so much wind. Autumn is the best season in Beijing. It is cooler in autumn

in Beijing than in Shanghai and there is less (更少的) rain.

     Beijing is the capital of our country. It is a very old city, and it is new, too. Shanghai and Beijing are two of

the most important cities in our country.

( )1. Shanghai is bigger and has a longer history than Beijing.

( )2. There are more tall buildings, trees, parks and rivers in Beijing.

(     )3. In Beijing, it is much colder in winter in the open air.

(     )4. Spring in Shanghai and autumn in Beijing are the best seasons.

(     )5. Beijing is a young city and it is new, too.

消灭钉螺是预防血吸虫病的哪种措施？（　　）

A．控制传染源

B．切断传播途径

C．保护易感人群

D．计划免疫

由于餐饮企业接待的人数受到营业面积大小，餐位多少的影响，因此餐饮酒企业必须（）。

A、改善就餐环境

B、增加服务项目

C、延长营业时间

D、提高餐位利用率

患者女性，55岁，近3个月来出现胸骨后疼痛，伴有反酸、胃灼热、嗳气，症状常于进食后或平卧时加重， 1周来疼痛症状加重。

如果上述检查正常，则初步临床诊断为

A．食管癌

B．反流性食管炎

C．慢性浅表性胃炎

D．慢性萎缩性胃炎

E．胃癌

根据《建设工程安全生产管理条例》规定，（）有权对施工现场的作业条件、作业程序和作业方式中存在的安全问题提出批评、检举和控告。

A.最终用户

B.勘探单位

C.作业人员

D.产品经销单位