题目内容
根据下列材料，回答 76～80 题。
李老伯与村委会订立了50亩林地的承包经营合同，并办理了土地承包经营权登记。李老伯虽投入近10万元，但经营状况不好。李老伯与本村张老伯协商将承包的林地与其承包的耕地互换。村委会出面阻止，并称如果互换将收回两人的承包土地。无奈，李老伯将林地转包给了本村王某，双方签订了转包合同，未办理土地变更登记。村委会以李老伯擅自转包为由，书面通知李老伯解除原承包合同，并与本村陈某签订了该50亩林地的承包经营合同，李老伯坚决不同意将林地交给陈某经营。此时，县政府修建道路要占用该50亩林地中的30亩。村委会将征地补偿款直接支付给陈某，李老伯认为村委会再次侵害了自己的权利。
第 76 题 林地承包经营合同的法定承包期应当为（）。
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关于本文格式说法正确的是（）。
根据第三段内容下列说法错误的一项是()。
根据短文回答 36～40 题。
New Foods and the New World
In the last 500 years, nothing about people -- not their clothes, ideas, or languages! Has changed as much as what they eat. The original chocolate drink was made from the seeds of the cocoa tree (可可树) by South American Indians. The Spanish introduced it to the rest of the world during the 1500's. And although it was very expensive, it quickly became fashionable. In London, shops where chocolate drinks were served became important meeting places. Some still exist today,
The potato is also from the New World. Around 1600, the Spanish brought it from Peru to Europe, where it soon was widely grown. Ireland became so dependent on it that thousands of Irish people starved when the crop failed during the "Potato Famine (饥荒)" of 1845 -- 1846, and thousands more were forced to leave their homeland and move to America.
There are many other foods that have traveled from South America to the Old world. But some others went in the opposite direction. Brazil is now the world's largest grower of coffee, and coffee is an important crop in Colombia and other South American countries. w But it is native to Ethiopia, a country in Africa. It was first made into a drink by Arabs during the 1400's.
According to an Arabic legend, coffee was discovered when a person named Kaldi noticed that his goats were attracted to the red berries on a coffee bush. He tried one and experienced the "wide-awake" feeling that one-third of the world's population now starts the day with.
第 36 题 According to the passage, which of the following has changed the most in the last？
500 years？（）
根据短文回答 51～65 题。
Making the Leap
Jumps play a big role in many styles of dancing.Generally, what makes a jump impressive is its hang time,the amount of time a dancer spends in the air.
The quest for greater hang time is a battle against gravity, the constant
____________(51)pull of Earth,said Laws.To leave the ground at all.a dancer has to use leg muscles to create an upward push that is greater than Earth's downward pull.But the final____________ (52)of any jump depends on just one thing：the upward speed of the body just as the dancer leaves the ground.
Strengthening muscles so they can push harder is one obvious____________ (53)to achieve higher jumps and increase hang time.But ballet dancers also use a simple trick to gain the illusion of staying in the air longer without actually doing S0.In a huge sideways jump called a grand jeté(小跳),a____________(54)ballet dancer seems to float for an impossible length of time.Of course,a dancer can't really hang in the air.The laws of physics decree that during any jump,a dancer's center of gravity must follow a parabola(抛物线).A parabola is the same____________ (55)path a ball takes when you throw it into the air.So how do dancers make it look like they're hanging in the air？
A dancer____________ (56)the illusion of floating in the air by lifting her legs and arms as she approaches the peak of the jump.The____________ (57) of her body
responds by sinking a bit.If her timing is just right,she'll seem to float sideways,instead of rising and fallin9.The effect is not only beautiful；it____________ (58)makes the jump seem bigger by" stretching out" the peak.
Of course,what goes up must come down.During a typical grand jete,a dancer's center of gravity raises 2 feel____________(59)the ground。Pulled by gravity from such a height,the dancer's body falls very fast—roughly 3.4 meters per second—by the time it reaches the floor.
As it falls,the body carries with it momentum(动量).Momentum is the weight of the body multiplied by its____________ (60).The bigger the body is and the faster it falls,the greater its momentum.
The only way a dancer can stop dropping through the air is by stopping the body's momentum,which requires an____________ (61)force—the ground.Landing can____________ (62)injuries.The dancer can ease the landing by bending her knees and letting her arms fall。but she also gets help from an unexpected source：the floor.Wooden dance floors are designed to____________(63)like shock absorbers.They can recoil(回缩)as much as an inch under extreme pressure.That little bit of give(弹性)makes a big____________(64).Landing on a wooden floor, the dancer undergoes a slower change in momentum than she would hitting a rigid floor.The give in the floor allows the decrease in momentum to happen more____________ (65) with less force and less chance of injury.
第 51 题
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