我国月球探测计划嫦娥工程已经启动, “嫦娥1号”探月卫星也已发射。设想嫦娥号登月

题型:计算题

问题:

我国月球探测计划嫦娥工程已经启动, “嫦娥1号”探月卫星也已发射。设想嫦娥号登月飞船贴近月球表面做匀速圆周运动,飞船发射的月球车在月球软着陆后,自动机器人在月球表面上做自由落体实验,测出物体自由下落h高度所需时间为t。已知月球半径为R,引力常量为G,据上述信息求:

(1)月球的质量;     

(2)月球的第一宇宙速度?

考点:万有引力定律
题型:计算题

阅读下面短文并回答问题,然后将答案写到答题卡相应的位置上(请注意每题词数要求)。

In the spring of 2013, Carly Zalenski's eyes were filled with tears as the dusty bus ran down a dirt road in southern Vietnam. The 14-year-old girl and her family had traveled by plane from Canton, Ohio, to Ho Chi Minh City and then by bus deep into the Mekong Delta. Now, as they approached the village, hundreds of cheering schoolchildren lined the entrance to the Hoa Lac School, a two-story concrete building that Carly had raised money for.

Carly started helping others when she was eight, handing out Thanksgiving baskets at church to families in need. It was a snowy day, and she saw that one girl was wearing a pair of broken shoes and others didn't have warm coats. The next November, she went door-to-door asking for used coats, hats, gloves, and scarves, and then handed them out with the baskets.

But Carly wanted to do more - she wanted to "change lives," she says. She remembered that her grandmother's Rotary club had, years earlier, raised money to build a school in Vietnam. That was it, she decided. She'd build a school, too.

She put together a PowerPoint presentation on the people and culture of Vietnam. At 12, hardly able to see over the platform, she gave her first fund-raising speech. She spoke with enthusiasm" The kids in rural Vietnam don't have good schools, " she told a room of 200 Rotarians. "That's not fair. I want to raise money and improve the school condition to make their lives better. "

In two years, Carly set off with her family across Ohio, visiting three or four Rotary clubs a week. "We traveled like crazy people to all these meetings," recalled her mother, Kris.

Finally, Carly raised $ 50,000, which was matched by the Vietnam Children's Fund. At the donation ceremony in Hoa Lac, the school principal was impressed with the ninth grader. "How wonderful," he said through a translator, "that a girl wanted to do something for kids of her age so far away. "

小题1:In which year was Carly born? (Within 2 words)

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小题2:Why did Carly once collect used clothes from door to door? (Within 12 words)

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小题3:What made Carly determine to build a school in Vietnam? (Within 10 words)

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小题4:How did Carly help the kids in rural Vietnam when she was 12? (Within 5 words)

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小题5:What does the school principal in Hoa Lac think of Carly? (Within 6 words)

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题型:计算题

图纸和标志是放样的依据。因而,在放样之前要(),认清标志。

题型:计算题

根据民法权利能力理论,下列说法正确的是 ( )。

A.法人的民事权利能力是指法人具有以自己的意思进行民事活动,取得权利、承担义务的能力

B.法人的民事权利能力与民事行为能力相一致,同时产生,同时消灭

C.清算中的法人不具有民事权利能力

D.法人的行为能力与法人的投资人的行为能力相一致

题型:计算题

英文缩写CAI的中文意思是( )。

A.计算机辅助教学

B.计算机辅助制造

C.计算机辅助设计

D.计算机辅助管理

题型:计算题

以下属于二人转主要表演形式的有()

A、三人或三人以上演出,一个为主,其他人分行当轮递坐唱

B、甲、乙二人表演,一说一逗,载歌载舞

C、甲、乙二人一说一唱,载歌载舞,互相捧逗

D、甲、乙二人以滑稽口吻互相捧逗,褒贬评论,讽刺嘲谑

E、甲、乙二人扮成一旦一丑,载歌载舞,分行当说唱表演

F、多人分持不同的伴奏乐器分行当轮递坐唱

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