试题与答案

“民主”一词源于古希腊语“DEMOS”,意为人民。在我国先秦经典《尚书》中曾多次

题型:选择题

题目:

“民主”一词源于古希腊语“DEMOS”,意为人民。在我国先秦经典《尚书》中曾多次提到“民主”,如“天惟时求民主,乃大降显休命于成汤”。意即“上天为民求主,天降大任于成汤,使为民主”。这说明[ ]

A.古代中国的民主政治早于两方

B.古代中周的民主政治源于两方

C.商朝政治具有民主特征

D.古代东西方民主存在本质区别

答案:

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参考答案:A

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题型:阅读理解

Do you go to the movies during the holidays? What do you eat there? Popcorn (爆米花)? Yes, of course! More and more Chinese youth now like to eat popcorn when they watch movies at the theater.

However, it may be the Americans who love popcorn the most. Americans do fun things with their popcorn. They like to put butter on their popcorn. But that's not all; they also like other kinds of things like chocolate, and even cheese! Americans like to eat popcorn as a snack (小吃). These days, there are a lot of "low -fat" kinds of popcorn in US shops to keep people healthy.

Americans started eating popcorn in movie theaters in the 1930s. Before this, they couldn't because movies were silent (无声的) and popcorn made too much noise. When movies got noisier, people could eat noisier food.

Next time you eat popcorn, why not try to eat it American style.

小题1:Young people like to eat         at the cinema.

A.popcorn

B.chocolate

C.sweets

D.cheese小题2:Americans couldn't eat popcorn in cinemas before 1930s because        .

A.popcorn at that time wasn't healthy

B.people were too poor to buy popcorn

C.other foods were more popular than popcorn

D.movies were silent and popcorn made noise小题3:What is the best title for the passage?

A.The holiday's coming, pop some corn!

B.The movie's starting, pop some corn!

C.The holiday's coming, eat some snacks!

D.The movie's starting, eat some snacks!

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题型:问答题

已知硫酸、磷酸、醋酸、硼酸按顺序酸性由强变弱.通常强酸可以和弱酸盐发生反应而生成弱酸,反之弱酸不能和强酸盐发生反应生成强酸,例如:硫酸和磷酸钠反应可制得磷酸、磷酸和醋酸钠反应可制得醋酸.

(1)请你根据上述内容,判断下列说法正确的是______:

A.醋酸和硫酸钠反应可制得硫酸;      B.磷酸和硼酸钠反应可制得硼酸;

C.硫酸和醋酸钠反应可制得醋酸;      D.硼酸和醋酸钠反应可制得醋酸.

(2)又已知醋酸可以和碳酸钠反应生成二氧化碳气体,而硼酸不和碳酸钠反应.请排出碳酸与上述四种酸按酸性由强到弱的顺序:______.

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