食堂买来一批白菜一共360千克，第一天吃了这些白菜的13，第二天吃了这些白菜的1

有一个容量为50的样本，数据的 分组及各组的频数如下[12.5，15.5）3；[15.5，18.5）8；[18.5，21.5）9；[21.5，24.5）11；[24.5，27.5）10；[27.5，30.5）5；[30.5，33.5）

（1）列频率分布表

（2）画出频率分布直方图

（3）根据频率分布直方图估计数据落在[15.5，24.5）的概率是多少．

西方曾经把中国称为“东方雄狮”，纷纷派遣使者和留学生来我国学习；但近代中国却被列强称为“东亚病夫”，成为其蹂躏的对象。对此认识正确的是（    ）

①中国的科技文化曾在世界长期独领风骚

②落后就会挨打，要努力提高综合国力

③中国为推动世界文明、社会进步作出过突出贡献

④封建皇帝穷兵黩武导致战争灾难

A．①②③

B．②③④

C．①②④

D．①③④

Mexico's neighbours are the United States to the north and Guatemala and Belize to the south. Mexico is about one quarter of the size of the United States. Mexico has more than ninety million people. The language of Mexico is Spanish. This makes Mexico the world's largest Spanish-speaking country.

Mexico City is the capital and largest city of Mexico. The city is also very high. It is 7349 feet high (2240 metres). This makes it one of the highest capital cities in the world. The population, of Mexico City grows bigger every day. About thirty million people live there. It has more people than any other city in the world, even more than Tokyo.

Mexico also has its specialities. Many of the foods we eat started in Mexico. Foods like beans, maize, avocados, tomatoes, peanuts, chili peppers, vanilla, and chocolate come from Mexico. Mexico is also famous for its cactus (仙人掌) plants. Mexico has more kinds of cactus than any other country.

小题1:Mexico is ____the USA.

A. on the south of     B. on the north of    

C. a part of      D. as large as

小题2:Mexicans speak______.

A．English

B．Spanish

C．French

D．Latin(拉丁语)小题3:Which of the following is NOT true?

A．Mexico City is the capital of Mexico.

B．The population of Mexico City is 30,000,000.

C．Tokyo is one of the cities with the largest population.

D．Mexico City is the highest city in the world.小题4:Tomatoes were originally (最初) grown in ______.

A．America

B．Spain

C．Tokyo

D．Mexico小题5:The best title (题目) of the passage is ___.

A．Mexico City

B．Mexico's plants

C．Mexico

D．Mexico's population

某人2006年4月3日取得工资收入2600元，稿酬收入3000元，他当即表示将稿酬收入捐赠给受灾地区，则其当月应纳个人所得税为( )。

A．260元

B．290.6元

C．257元

D．308.4元

根据现行税收规定，施工企业应按建筑、安装、修缮、装饰和其他工程作业的营业额的( )主管税务机关申报缴纳营业税。

A．3%向工程所在地

B．5%向工程所在地

C．3%向企业所在地

D．5%向企业所在地