用图表示的一些物质或概念间的从属关系中不正确的是( ) XYZ①氧化物化合物纯净

题型:选择题

问题:

用图表示的一些物质或概念间的从属关系中不正确的是(  )

XYZ
氧化物化合物纯净物
电解质化合物
胶体分散系混合物
碱性氧化物金属氧化物氧化物

A.①

B.②

C.③

D.④

考点:物质的简单分类
题型:选择题

Coffee has been a part of people’s lives for thousands of years, and today it is still one of the favorite drinks in the world. Many people in the world begin their busy day by drinking a cup of or several cups of coffee. They have always said that a cup of coffee in the morning helps them begin their day in the right way. So they say a cup of coffee is necessary for them in the morning.

Do you know what in the coffee makes our bodies and brains(大脑) active? It is caffeine(咖啡因). Caffeine may increase a person’s mental and physical abilities(精力和体能). For example, two cups of coffee will make you breathe faster and augmentbody heat. All this makes you heart beat faster, and doctors warn that this may be a little dangerous.

Caffeine is found in tea, coffee, chocolate and some other foods. A little caffeine is probably not harmful. But much caffeine can make people nervous and sleepless.

小题1:A good title for this passage is              .

A.Coffee Is Harmful

B.Coffee and Tea

C.Caffeine and Health

D.Caffeine Is Useful小题2: The word “augment “ means               .

A.increase

B.drink

C.stop

D.drop小题3: From this passage, we may know that drinking a cup of coffee late at night might             .

A.give you a headache

B.make you fall sleep

C.keep you awake

D.be dangerous小题4:Caffeine is found in             .

A.tea and water

B.fish and meat

C.coffee and jam

D.coffee, tea and some other foods

题型:选择题

关于保险合同的基本条款,下列说法不正确的是( )。

A.保费的缴纳、保险金额的赔偿均与当事人及其住所有关

B.同一保险合同中仅限于单一的保险标的

C.责任免除又称为“除外责任”,其目的在于适当限制保险人的责任范围

D.争议处理包括约定解决争议的机构等内容

题型:选择题

假如尤文图斯夺得意甲冠军的概率是0.6,AC米兰夺得意甲冠军的概率是0.2,国际米兰夺得意甲冠军的概率是0.05,那么意甲冠军落入非意甲三强的概率是()。

A.0.75

B.0.15

C.0.25

D.0.35

题型:选择题

急性炎症性脱髓鞘性多发性神经病主要死亡原1天1是

A.循环衰竭

B.肾衰竭

C.严重感染

D.肝衰竭

E.呼吸衰竭

题型:选择题

K国的公司能够在v国销售半导体,并且,售价比V国公司的生产成本低。为了帮助V国的那些公司,V国的立法机构制定了一项计划,规定K国公司生产的半导体在V国的最低售价必须比V国公司的平均生产成本高百分之十。以下哪项如果为真,将最严重地影响该项计划的成功

A.预计明年K国的通货膨胀率超过百分之十。

B.现在K国的半导体不仅仅销往V国。

C.一些销售半导体的V国公司宣布,它们打算降低半导体的售价。

D.越来越多的非K国的公司去V国销售半导体,并且售价比K国的产品低。

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