汽油机的汽缸上部有______；在汽油机的四个冲程中，靠惯性完成的有______

It was ________ the trouble to explain a job fully to new employees.

A．worth to take

B．worthwhile taking

C．worthy of taking

D．worthy to take

阅读下面短文，用括号内所给动词的适当形式填空 (必要时可加情态动词或助动词)。

Wu Juping is a 31-year-old woman from Zhejiang Province. She (1)_____________ (call) “The Most Beautiful Mother” because she saved a 2-year-old girl who (2) _____________ (fall) from the 10th floor of a building in Hangzhou on July 2, 2011.

The 2-year-old girl (3)_____________ (sleep) in the bedroom when her grandmother left her to get something. Before her granny (4) _____________ (return), the little girl woke up and crawled to the windowsill.

A neighbor who lives a floor below tried (5) _____________ (reach) the girl on the windowsill, but he didn’t succeed and the girl fell down.

Wu, who lives in the same neighborhood, (6)_____________ (pass) by. She immediately took off her high heels and ran towards the building. She (7) _____________(catch) the girl before she hit the ground. Though she (8) _____________ (not hold) the girl, she managed to break the 2-year-old girl’s fall.

Wu is now in hospital with a broken arm and the little girl (9) _____________ (get) better now.

“I did it out of a mother’s instinct（本能）,” Wu said from her hospital bed later.

“If the baby (10) _____________ (hit) the lady’s head, she would probably be dead at once. This is the great love of a mother!” said Doctor Jin Dengfeng who treated Wu.

在两条船位线定位时，用船位均方误差四边形来评定定位精度，最好选择（）。

Ⅰ．船位线交角比较大时；

Ⅱ．船位线交角比较小时；

Ⅲ．位置线误差接近相等时；

Ⅳ．位置线误差相差较大时。

A．Ⅰ，Ⅲ

B．Ⅱ，Ⅳ

C．Ⅰ，Ⅳ

D．Ⅱ，Ⅲ

“天下第一村”江阴华西村坚持率先发展、科学发展，努力实现农村工业化、城镇化和现代化。现已形成钢铁、纺织、旅游三大产业，拥有固定资产62．77多亿元。八家上市公司，1000多个产品，2004年国税发票销售260．31亿元。华西全村都是富裕户，资产最少100多万元，最多1000多万元。“一村富了不算富，全国富了才算富。”华西村过上富裕生活后，从1995年5月开始，华西村把共同富裕之路向全国各地延伸。华西村党委书记吴仁宝认为：“扶贫先扶人，扶贫先扶志。”一个帮助中西部地区智力扶贫的工程在华西拉开了序幕。华西先后投资近千万元，帮助中西部地区20多个省、市、自治区培训县、镇、村基层干部1万多名，许多学员学成回去后，开工厂、建市场、兴三产，搞得热火朝天。智力扶贫带动了10万多人脱贫致富。

请回答：

（1）阅读上述材料，说明华西村是怎样体现共同富裕要求的。

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（2）我国坚持走共同富裕道路体现了哪些道理？

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对计划性较强，前期可以预见的事件，在（）、（）、（）三个环节均需实施监控保障。