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【单选题】

Children are a relatively modern invention. Until a few hundred years ago they did not exist. In medieval and Renaissance paintings you see pint-sized men and women, wearing grown-up clothes and grown-up expressions, performing grown-up tasks. Children did not exist because the family as we know it had not evolved.
Children today not only exist; they have taken over, in no place more than in America, and at no time more than now. It is always Kids’ Country here. Our civilization is child-centered, child-obsessed. A kid’s body is our physical ideal. In Kids’ Country we do not permit middle- age. Thirty is promoted over 50, but 30 knows that soon his time to be overtaken will come.
We are the first society in which parents expect to learn from their children. Such a topsy- turvy (颠倒的) situation has come about at least in part because, unlike the rest of the world, ours is an immigrant society, and for immigrants the only hope is in the kids. In the Old Country, that is, Europe, hope was in the father, and how much wealth he could accumulate and pass along to his children. In the growth pattern of America and its ever-expanding frontier, the young man was ever advised to GO WEST; the father was ever inheriting from his son. Kids’ Country may be the inevitable result.
Kids’ Country is not all bad. America is the greatest country in the world to grow up in because it is Kids’ Country. We not only wear kids’ clothes and eat kids’ food; we dream kids’ dreams and make them come true. It was, after all, a boy’s to go to the moon.
If in the old days children did not exist, it seems equally true today that s, as a class, have begun to disappear, condemning all of us to remain boys and girls forever, jogging and doing push-ups (俯卧撑) against eternity.
According to the passage, which of the following is true

A.
It is very difficult for the middle-aged to live in America.
B.
America is Kids’ Country because the majority of its people are young and vigorous.
C.
Kids’ Country was taking shape in America when immigrants poured into the country.
D.
America is more of Kids’ Country than any other countries in the world.
题目标签:俯卧撑
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【多选题】俯卧撑练习时()

A.
向上撑起的过程中,肩关节在做氺平屈运动,因此胸大肌在做向心收缩工作
B.
向上撑起的过程中,肘关节在做伸运动,因此肱三头肌在做向心收缩工作
C.
向上撑起的过程中,肩关节在做氺平屈运动,因此胸大肌在做离心收缩工作
D.
向上撑起的过程中,肘关节在做伸运动,因此肱三头肌在做离心收缩工作

【多选题】俯卧撑能锻炼下列肌肉中的( )。

A.
胸大肌
B.
三角肌
C.
肱二头肌
D.
肱三头肌

【单选题】Children are a relatively modern invention. Until a few hundred years ago they did not exist. In medieval and Renaissance paintings you see pint-sized men and women, wearing grown-up clothes and grown...

A.
It is very difficult for the middle-aged to live in America.
B.
America is Kids’ Country because the majority of its people are young and vigorous.
C.
Kids’ Country was taking shape in America when immigrants poured into the country.
D.
America is more of Kids’ Country than any other countries in the world.

【单选题】俯卧撑起时( )。

A.
肘关节必须屈
B.
肩关节必须伸
C.
发力最大的肌肉是肱三头肌
D.
肱三头肌在近固定情况下工作

【单选题】在如今的网络语言中,有许多新名词出现,如“躲猫猫”、“俯卧撑”、“打酱油”、“做噩梦”等,其含义也被人们认可并广为传播。从哲学上说,这表明

A.
社会存在的变化发展是客观的
B.
社会意识具有相对的独立性
C.
社会意识总是对社会存在有积极作用
D.
社会意识是对社会存在的反映

【多选题】俯卧撑练习是()。

A.
向上撑起的过程中,肩关节在做水平屈运动,因此胸大肌在做向心收缩工作
B.
向上撑起的过程中,肘关节在做伸运动,因此肱三头肌在做向心收缩工作
C.
向上撑起的过程中,肩关节在做水平屈运动,因此胸大肌在做离心收缩工作
D.
向上撑起的过程中,肘关节在做伸运动,因此肱三头肌在做离心收缩工作

【单选题】俯卧撑的原动肌不包括

A.
前锯肌
B.
胸大肌
C.
肱肌
D.
肱三头肌