从某鱼池中捕得120条鱼,做了记号之后,再放回池中,经过适当的时间后,再从池中捕

题型:选择题

问题:

从某鱼池中捕得120条鱼,做了记号之后,再放回池中,经过适当的时间后,再从池中捕得100条鱼,若其中有记号的鱼为10条,试估计鱼池中共有鱼的条数为(  )

A.1000

B.130

C.1200

D.1300

考点:几何概型的定义及计算
题型:选择题

阅读理解。

     Xi'an holds the International Horticultural Exposition, 2011. The International Horticultural Exposition(世园会)  has a long history and it'll show us the beauty of the nature. So the International Horticultural

Exposition is an honor for all of the Xi'an people. Our government has

promised that it will be the best one. And Xi'an, as a host city, had more chances to develop quickly. As

a student in Xi'an, I should learn English well so that I can be a volunteer in the exposition to help foreigners know more about Xi'an.

    The Expo emblem(徽章)  looks like the famous City Wall. The Expo is based on a general pattern of "

two circles,  two axes,  and five clusters. . . " Xi'an Horticultural Expo was held from April to October,

2011.

    Great changes have taken place in Xi'an and more and more people throughout the world are focusing

their attention on Xi'an now.  As a citizen of Xi'an, I must spare no efforts to do what I should do. First, I

decide to plant more trees to make our city more beautiful.  Second, I should obey seven nos and be good at learning from others.Third,I should study hard so that I can do something better for my city in the future.

1._______ is the host of the International Horticultural Exposition,2011.

2.  We students should learn English well in order that we can be a volunteer to help _______ know more about Xi'an.

3.  International Horticultural Exposition, 2011, Xi'an will last_______.

4. The Xi'an Horticultural Expo is based on a_______ of "two circles, two axes, and five clusters."

5. What can we do for the International Horticultural Expo?

    We should _______, obey seven nos, learn from others and work hard.

题型:选择题

( )适用原产于与我国签订有特殊优惠关税协定的国家或地区的进口货物。

A.最惠国税率

B.协定税率

C.特惠税率

D.普惠制税率

E.普通税率

题型:选择题

为确定某种无机盐是否是植物所必需的,实验组用缺少该无机盐的“完全营养液”进行培养,应该[ ]

A.以土壤为基质盆栽,浇上述营养液

B.大田种植,浇上述营养液

C.以沙土为基质盆栽,浇上述营养液

D.只用上述营养液盆栽,不用基质

题型:选择题

资产管理公司通过(),来聘用、解聘和调配物业管理企业。

A、监控物业的运行绩效

B、监控现场物业管理工作情况

C、监控物业管理和物业运营的收益

D、监控物业管理和物业运营的成本

题型:选择题

一男性患者,20岁,左手腕部刀伤,致正中神经损伤,经手术治疗创口愈合后,不宜进行的治疗是()。

A.音频电疗

B.冷疗法

C.失神经肌肉电刺激

D.针灸治疗

E.戴屈曲掌指关节、伸指间关节,外展拇指矫形器

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