下列可以检测到隐孢子虫卵囊的标本有() A.胃液 B.血液 C.粪便 D.痰液 E.

题型:多项选择题

问题:

下列可以检测到隐孢子虫卵囊的标本有()

A.胃液

B.血液

C.粪便

D.痰液

E.呕吐物

考点:重庆住院医师传染病防治传染病防治题库
题型:多项选择题

把a L硫酸铵和硝酸铵混合液分成两等份,一份需用b mol烧碱刚好把氨全部赶出,另一份与BaCl2溶液反应恰好消耗c mol BaCl2。原溶液中NO3的物质的量浓度是(     )         

A.mol·L-1

B.mol·L-1

C.mol·L-1

D.mol·L-1

题型:多项选择题

三大全球性环境问题是指______问题、全球变暖问题和酸雨问题。

题型:多项选择题

Coffee is a powerful beverage.On a personal level,it helps keep US awake and active.On a much broader level,it has helped shape our history and continues to shape our culture.

Coffee didn’t take off until the l400s when people figured out they could roast its seeds.By the l500s,the drink had spread to coffeehouses across the Arab world.Within another l50 years,it took Europe by storm.

“It actually had a major impact on the rise of business,” historian Mark Pendergrast says.Coffeehouses became a spot not just to enjoy a cup but to exchange ideas.The insurer Lloyd’s of London was founded hundreds of years ago in one of London’s 2,000 coffeehouses.Literature,newspapers and even the works of great composers like Bach and Beethoven were also spawned(涌现)in coffeehouses.

It is often said that after the Boston Tea Party of l773,when American colonists attacked British tea ships and threw boxes of tea into the harbor,Americans universally switched over to drinking coffee.In a letter John Adams wrote to his wife,Abigail,the Founding Father claims his love of tea but says he will have to learn to embrace coffee instead,because drinking tea had become a symbol of not loving the country.

For all the upsides coffee has brought the modern world,it also led to its fair share of downsides,too.Europeans carried coffee with them as they colonized various parts of the world,and this frequently meant they enslaved people in order to grow it.In Brazil — where slavery was legal until l888 — coffee plantations would use slash-and-burn agriculture,tearing down rain forests and planting coffee trees.Once the soil had been exhausted,growers would move on to another place.

And yet,coffee,as Pendergrast says,”had a very good impact in many ways on our civilization,even though it was,for a long time,grown by slaves.”

小题1:Why did people enjoy going to coffeehouses?

A.Because it was a fashion to drink coffee.

B.Because coffeehouses provided a better flavor.

C.Because they could stay awake and active there.

D.Because they could exchange ideas there.小题2:What can we learn from the fourth paragraph?

A.American colonists made great profits by trading in coffee.

B.Tea was regarded as a symbol of loving one’s country.

C.Coffee became very popular after the incident in Boston.

D.John Adams was the Founding Father of the Tea Party.小题3:In the fifth paragraph.the writer points out that __________ .

A.Coffee plantation was closely connected with slavery

B.coffee plantation led to outdated agriculture in Brazil

C.slavery in Brazil had been against the law until l888

D.slavery was responsible for the damage to rainforests小题4:What is mainly talked about in this passage?

A.Some interesting stories about coffee culture.

B.Important Roles that coffee played in history.

C.How coffee became the most popular beverage.

D.How coffee affected America’s independence.

题型:多项选择题

水元偏盛药物性能则

A.腻、重
B.钝、凉
C.轻、糙
D.热、锐
E.轻、锐

题型:多项选择题

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