杏坛前的石香炉是()朝代的遗物? A.元 B.金 C.清

题型:单项选择题

问题:

杏坛前的石香炉是()朝代的遗物?

A.元

B.金

C.清

考点:文化遗产知识竞赛文化遗产知识文化遗产知识题库
题型:单项选择题

下列关于有机物的说法中,正确的一组是 [ ]

①淀粉、油脂、蛋白质在一定条件下都能发生水解反应 ②“乙醇汽油”是在汽油里加入适量乙醇而成的一种燃料,它是一种新型化合物 ③除去乙酸乙酯中残留的乙酸,可加过量饱和Na2CO3溶液振荡后,静置分液 ④石油的分馏、裂化和煤的干馏都是化学变化 ⑤淀粉遇碘酒变蓝色,葡萄糖能与新制Cu(OH)2发生反应

A.①②⑤     

B.②④⑤

C.①③⑤

D.③④⑤

题型:单项选择题

The year 2009 is the Year of Ox. The ox is a representative of the fanning culture of China. In the farming economy (经济), oxen are the major animals pulling plows (犁).

Of course, the good of oxen is not limited to plowing.  In fact, they are seen as "boats on land" for their ability to carry loads. Besides, the whole body of an ox is full of treasures. Their meat and milk are food full of nutrition, and their skin can be used to make clothes and shoes. With all these qualities, oxen are regarded as generous creatures.

In the past, oxen played an important role in the spiritual life of the Chinese. Even today, oxen still play a special part in some folk activities. For example, some people who1ire in southwest China will cook cattle bone soup and share it among family members when holding the ceremony for children who reach 13. They believe that the cattle bone soup represents the blood relationship among family members. In order to express their love for oxen, people in some other areas will run to shake off diseases on the 16th day of the first month by the lunar calendar (农历), and during their run they will take their oxen along, which indicates they regard the creature as human.

Because of the contribution of oxen in their lives, the Chinese people are very grateful to the animal. In addition, the use of oxen in ceremonies and the thanks people owe to oxen help to develop various traditional customs, which becomes an important part of the folk culture of the Chinese nation.

小题1:The words "boats an land" underlined in Paragraph 2 refer to __

A.animals for taking goods

B.creatures for pulling plows

C.treasures of the folk culture

D.tools in the farming economy小题2:From the third paragraph, we know that __

A.oxen are no more important today than in the past

B.ceremonies are held when people cook cattle bone soup

C.oxen are treated as human in some areas of China

D.people run with oxen to shake off diseases every month小题3:Which of the following helps to develop traditional customs?

A.The special role of oxen in frowning.

B.People's respect and love for oxen.

C.The practical value of an ox's body.

D.The contribution of oxen to the economy.小题4:Why does the author write the text?

A.To stress the importance of oxen in farming.

B.To introduce the Chinese folk culture.

C.To describe how to celebrate the Year of Ox.

D.To explain how to develop agriculture with oxen.

题型:单项选择题

应用口服补液时,口服补液盐中所含葡萄糖的作用主要是()

A.使口服液具有一定的渗透压

B.提供能量

C.利用渗透利尿作用排泄毒素

D.增加小肠对钠、水的重吸收

E.治疗酮症酸中毒

题型:单项选择题

混凝土施工质量验收的要求规定混凝土强度达到1.2N/mm2前,不得在其上踩踏或安装模板及支架。

题型:单项选择题

当频率为f的交流电源电压,加到一、二次绕组匝数分别为N1、N2的变压器的一次绕组后,以下说法正确的为()。

A.一次侧绕组中的感应电势为E1=4.44fN1Fm

B.一次侧绕组中的感应电势为E1=2.22fN1Fm

C.二次侧绕组中的感应电势为E2=2.22fN2Fm

D.二次侧绕组中的感应电势为E2=4.44fN2Fm

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