YJ17平准器劈刀盘同步调整时，两盘的（）严格互相对正而且对中于两根传动轴之间的中心

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     Mary is an American schoolgirl. She is now in Beijing with her parents. She doesn't know Chinese, but

she is trying to study and speak it. She often tries to speak Chinese to her Chinese friends. Sometimes they

don't understand(理解) her, because she can't speak Chinese well.

     It's Saturday morning. Mary goes out. She is on her way to the park. She is going there to see a flower

show (展览).But she doesn't know how to get there. She asks a Chinese boy. The boy can't understand

her. Then she takes out a pen and some paper. She draws flowers on it, gives the picture to the boy and

says something about it. The boy smiles and then shows(指给) Mary the way to the park.

1. Where does Mary live now? She lives in __________.

A. China

B. England

C. America

D. Canada

2. She likes with her __________.

A. speaking Chinese; parents

B. speaking Chinese; Chinese friends

C. speaking English; Chinese friends

D. speaking Chinese; teachers

3. She can speak __________ Chinese.

A. much

B. a little

C. little

D. a few

4. Where is she going?

A. To a new school.

B. To see her friends.

C. To a farm.

D. To see some flowers.

5. How does she ask the way to the flower show?

A. She asks the way in English.

B. She asks the way in Chinese.

C. She draws a picture to ask the way.

D. She doesn't ask any people.

2010年1月21日，国家统计局发布数据表明：2009年中国国内生产总值为335353亿元，按可比价格计算，比上年增长8.7％，实现年初制定的“保八”目标。城镇居民人均可支配收入17175元，比上年增长9.8%。农村居民人均纯收入5153元，比上年增长8.5%。这说明[     ]

①我国经济实力显著增强

②我国已实现了由温饱到小康的历史性跨越

③只有社会主义才能发展中国

④我国已实现了全面建设小康社会的目标

A．①②

B．①②③

C．①③

D．①②③④

尿中高浓度VitC对尿糖试带法可造成（）。

A.不影响

B.假阳性

C.假阴性

D.影响同班氏法

E.正干扰

下列不属于申请施工许可证必须具备的条件的是( )。

A．已经办理该建筑工程用地批准手续

B．有满足施工需要的施工图纸

C．按规定已经委托了监理

D．建设资金已全部到位

学前儿童语言教育评价主要包括（）两个方面。

A.对儿童语言发展的评价和对教师设计活动能力的评价

B.对儿童语言学习行为的评价和对教师在活动中语言使用规范性的评价

C.对儿童语言学习行为的评价和对教师语言教育行为的评价

D.对教师设计活动能力的评价和对教师在活动中语言使用规范性的评价