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【单选题】
24（）
A．went
B．left
C．passed
D．past
A.
In the United States the most popular form of folk dancing since the early days has been square dancing. In early times, when men and women worked in groups to (21) a barn(谷仓) for harvest crops, they danced when the work was done. The music (22) from a violin for the most part. But if there was no one to play an instrument(乐器), clapping(击掌) was used to (23) the rhythm(节奏) by which to dance. The early settlers(移民) danced in a store, in a barn, or in a farm kitchen.
B.
After some years (24) , square dancing became (25) popular in cities and towns, but it (26) popular in the country. Then it became popular in the cities once again. Today in (27) parts of the United States you will find some school, club, or other group that is square dancing for fun.
C.
A square is formed by four couples(对，双) who stand (28) the center of the square. Each couple stands on one (29) of the square, the boy on the left and the girl on the right.
D.
The "caller" is an important part of the (30) since he tells the dancers which steps to do. If the dancers do not know the steps, he teaches them. It (31) time to learn to be good caller, and good callers are always in demand.
E.
Large or small groups of people can dance at one time. Sometimes 800 or 1,000 people may be dancing at the (32) time. Or there may be only one square of (33) people.
F.
Costumes(服装) are worn by some who square dance. This (34) the dancing more colorful to watch. The costumes vary(不同) from place to place. Women often wear full skirts of various colors with pretty blouse(罩衫). Men may have colored skirts and western trousers which they wear (35) when square dancing
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参考解析：
刷刷题刷刷变学霸
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【单选题】第二篇 Late-Night Drinking Coffee lovers beware. Having a quick "pick-me-up" cup of coffee late in the day will play havoc with your sleep. As well as being a stimulant, caffeine interrupts...
A.
There are more enzymes in decal drinkers’ urine sample.
B.
There are more melatonin concentrations in caffeine drinkers’ urine sample.
C.
Decaf drinkers produce less melatonin.
D.
Caffeine drinkers produce less sleep hormone.
【单选题】阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 Avalanche and Its Safety An avalanche is a sudden and rapid flow of snow, often mixed with air and water, down a mountainside. Avalan...
A.
when
B.
that
C.
who
D.
whose
【单选题】A municipal bond selling at 12% above par offers a yield of 3.2%. A taxable Treasury note selling at an 8% discount offers a yield of 4. 6%. An investor in the 32.5% tax bracket wishes to purchase an ...
A.
2.63%.
B.
3.90%.
C.
3.15%.
【单选题】Under pressure from animal welfare groups, two national science teachers associations have adopted guidelines that ban classroom experiments harming animals. The National Association of Biology Teache...
A.
stopping all animal abuse in schools.
B.
establishing guidelines that ban classroom experiments harming animals.
C.
protecting animals from being experimented with in extracurricular projects.
D.
persuading two national science teachers associations to adopt an animal protection policy.
【单选题】21（） A．make B．set up C．build D．form
A.
In the United States the most popular form of folk dancing since the early days has been square dancing. In early times, when men and women worked in groups to (21) a barn(谷仓) for harvest crops, they danced when the work was done. The music (22) from a violin for the most part. But if there was no one to play an instrument(乐器), clapping(击掌) was used to (23) the rhythm(节奏) by which to dance. The early settlers(移民) danced in a store, in a barn, or in a farm kitchen.
B.
After some years (24) , square dancing became (25) popular in cities and towns, but it (26) popular in the country. Then it became popular in the cities once again. Today in (27) parts of the United States you will find some school, club, or other group that is square dancing for fun.
C.
A square is formed by four couples(对，双) who stand (28) the center of the square. Each couple stands on one (29) of the square, the boy on the left and the girl on the right.
D.
The "caller" is an important part of the (30) since he tells the dancers which steps to do. If the dancers do not know the steps, he teaches them. It (31) time to learn to be good caller, and good callers are always in demand.
E.
Large or small groups of people can dance at one time. Sometimes 800 or 1,000 people may be dancing at the (32) time. Or there may be only one square of (33) people.
F.
Costumes(服装) are worn by some who square dance. This (34) the dancing more colorful to watch. The costumes vary(不同) from place to place. Women often wear full skirts of various colors with pretty blouse(罩衫). Men may have colored skirts and western trousers which they wear (35) when square dancing