ST段下移类型不包括（） A.上斜型 B.水平型 C.波浪型 D.下垂型 E.盆型

在做“测定匀变速直线运动加速度”的实验中，取下一段如图所示的纸带研究其运动情况．设O点为计数的起始点，在四个连续的计数点中，相邻两计数点间的时间间隔为0.1s，若物体做理想的匀加速直线运动，则计数点A与起始点O之间的距离s₁为______cm，打计数点A时物体的瞬时速度为______m/s，物体的加速度为______m/s²（结果保留三位有效数字）．

阅读下面这首诗

北斋雨后

[宋] 文同

小庭幽圃绝清佳，爱此常教放吏衙。

雨后双禽来占竹，秋深一蝶下寻花。

唤人扫壁开吴画，留客临轩试越茶。

野兴渐多公事少，宛如当日在山家。

小题1:颔联中的“占”能否改为“站”？为什么？（5分）

小题2:诗人为什么会有“宛如当日在山家”之感？结合全诗简要分析。（6分）

Civil Affairs and Public Security Departments have been urged to take comprehensive steps to help children who are begging on the nation's streets and are often abused. Premier Wen Jiabao said during his online chat with netizens, China Daily reported.

Wen said he has paid close attention to the ongoing micro blog campaign that calls on concerned netizens to post photos of children begging on the streets in the hope that police will rescue them and return them to their families. There are many reasons why children turn to begging, including poverty and family problems. Joint efforts will help end the problem.

His remarks were welcomed by Yu Jianrong, a professor from the Chinese Academy of Social Sciences, who starts the online campaign to crack down on child begging.

The All-China Women's Federation (ACWF) also released a statement encouraging people to contact the police if they find any suspect who abuses, or forces juveniles to beg on the streets. People can either call 110 and or dial 12338 and connect with a hotline set up by the ACWF. The statement was reported by Xinhua News Agency.

The micro blog campaign has gained support from charities, and other social institutions since it was launched in January. One Foundation, a Shenzhen-based charity, set up a fund on Feb 19 for a database for sharing information about missing children So far, One Foundation has raised 720,000 yuan ($109,500). Meanwhile, Shanghai Time Plastic Surgery Hospital has offered free plastic surgery to Ren Fangfang, an 8-year-old girl who suffered physical abuse at the hands of a man who used her to beg for him.

小题1:

Which of the following statements is TRUE according to the passage?

A．Premier Wen Jiabao chatted with Yu Jianrong online.

B．One Foundation has set up a hotline for missing children.

C．ACWF promised to offer Ren Fangfang free plastic surgery.

D．Poverty and family problems contribute to child begging小题2:

Which of the following directly take part in the campaign to help child beggars?

A．Chinese Academy of Social Sciences and China Daily

B．The All-China Women's Federation and Xinhua News Agency

C．One Foundation and Shanghai Time Plastic Surgery Hospital

D．Civil Affairs and Public Security Departments and China Daily小题3:

What’s the main purpose of the online blog campaign started by Yu Jianrong?

A．To draw the top leader’s attention to the child beggars.

B．To call for comprehensive steps from the government.

C．To gain support from charities and other social institutions.

D．To post photos of child beggars and help them go back home.小题4:

. Which word can best replace the underlined part “crack down” in Para 3?

A．punish

B．urge

C．delay

D．limit

收寄局从受理查询到查明节目寄发查单，最大时限不超过（）小时。

男，58岁，因进食时胸骨后烧灼感来院就诊，体检：一般情况好，双侧锁骨上未触及肿大淋巴结，食管钡餐透视示胸下段食管壁局限性管壁僵硬，钡剂通过缓慢。

为明确诊断，下一步需做的检查是（）。

A.胸部CT

B.胸部MRI

C.食管镜

D.食管拉网细胞学检查

E.剖胸探查