【完成句子】As the sunflowers grow, put a hay fence around them for protection and stake if necessary. Plant morning glories or sweet peas around the base of each sunflower, and they will grow up the stems, eventually forming a roof over the top. By summer

【概括大意】They always complained(抱怨) more or less justly, that their parents are out of touch with modern ways. They also blamed that their parents always have a final say. And the young felt that their parents do not trust their children to deal with cr

【填句补文】Scientists have learned that the sense of pain is made up of both chemical and electrical signals. ________. Scientists also have learned that the nervous system sends two different kinds-of pain messages to the brain: one very fast, the other

【填句补文】Posture. A good posture makes you feel better about yourself. ________. This makes breathing more difficult, which in turn can make you feel nervous or uncomfortable.

【填句补文】The Caribbean Islands form a chain that separates the Caribbean Sea from the rest of the Atlantic Ocean. ________. Many of the islands were formed by the eruption(爆发) of ancient volcanoes(火山)．Others are low-lying coral islands that gradually ro

【填句补文】There is a difference between science and technology. ________. Science has to do with discovering the facts and relationships between observable phenomena in nature and with establishing theories that serve to organize these facts and relation

【填句补文】Arms. How you hold your arms shows how open and receptive you are to people you meet. If you keep your arms to the sides of your body or behind your back, this suggests you are not afraid of taking on whatever comes your way. ________. If someo

【填句补文】Though little research has been carried out about how exactly the sunspot will negatively harm the health of the people. ________. So, scientists warn that people going outdoors should be careful to protect their exposed skin and eyes with clot

【填句补文】Home schooling is often more interesting than regular schools, but critics say that home-schoolers are outsiders who might be uncomfortable mixing with other people in adult life. ________. However, most parents don't have the time or the desir

【填句补文】All children in the United States have to receive an education, but the law does not say they have to be educated at school. A number of parents prefer not to send their children to school. ________. There are about 300,000 home-schoolers in th

【填句补文】Doctors believe that secondhand smoke may cause lung cancer in people who do not smoke because nonsmokers often breathe in the smoke from other people’s cigarettes．________. The US Environmental Protection Agency reports that about 53，000 peopl

【填句补文】The author says that interpersonal relations should be taught as a required course in every school, along with reading, writing, and mathematics. ________. That is at least as important as how much we know.

【填句补文】The smoke that comes from a lit cigarette contains many different poisonous chemicals. In the past, scientists did not think that these chemicals could harm a nonsmoker’s health. ________. They discovered that even nonsmokers had unhealthy amou

【填句补文】The acid rain(酸雨) is said to be caused by pollution from oil wells in the Gulf of Mexico. Car exhaust gases are also a problem. Local volcanic eruptions make the problem even worse. Nevertheless, with enough money and effort, researchers say th

【填句补文】David Guterson and his wife teach their three children at home. Guterson says that his children learn very differently from children in school: ________. For example, when there is heavy snowfall on a winter day, it may start a discussion or re

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【完成句子】As the sunflowers grow, put a hay fence around them for protection and stake if necessary. Plant morning glories or sweet peas around the base of each sunflower, and they will grow up the stems, eventually forming a roof over the top. By summer

【概括大意】They always complained(抱怨) more or less justly, that their parents are out of touch with modern ways. They also blamed that their parents always have a final say. And the young felt that their parents do not trust their children to deal with cr

【填句补文】Scientists have learned that the sense of pain is made up of both chemical and electrical signals. ________. Scientists also have learned that the nervous system sends two different kinds-of pain messages to the brain: one very fast, the other

【填句补文】Posture. A good posture makes you feel better about yourself. ________. This makes breathing more difficult, which in turn can make you feel nervous or uncomfortable.

【填句补文】The Caribbean Islands form a chain that separates the Caribbean Sea from the rest of the Atlantic Ocean. ________. Many of the islands were formed by the eruption(爆发) of ancient volcanoes(火山)．Others are low-lying coral islands that gradually ro

【填句补文】There is a difference between science and technology. ________. Science has to do with discovering the facts and relationships between observable phenomena in nature and with establishing theories that serve to organize these facts and relation

【填句补文】Arms. How you hold your arms shows how open and receptive you are to people you meet. If you keep your arms to the sides of your body or behind your back, this suggests you are not afraid of taking on whatever comes your way. ________. If someo

【填句补文】Though little research has been carried out about how exactly the sunspot will negatively harm the health of the people. ________. So, scientists warn that people going outdoors should be careful to protect their exposed skin and eyes with clot

【填句补文】Home schooling is often more interesting than regular schools, but critics say that home-schoolers are outsiders who might be uncomfortable mixing with other people in adult life. ________. However, most parents don't have the time or the desir

【填句补文】All children in the United States have to receive an education, but the law does not say they have to be educated at school. A number of parents prefer not to send their children to school. ________. There are about 300,000 home-schoolers in th

【填句补文】Doctors believe that secondhand smoke may cause lung cancer in people who do not smoke because nonsmokers often breathe in the smoke from other people’s cigarettes．________. The US Environmental Protection Agency reports that about 53，000 peopl

【填句补文】The author says that interpersonal relations should be taught as a required course in every school, along with reading, writing, and mathematics. ________. That is at least as important as how much we know.

【填句补文】The smoke that comes from a lit cigarette contains many different poisonous chemicals. In the past, scientists did not think that these chemicals could harm a nonsmoker’s health. ________. They discovered that even nonsmokers had unhealthy amou

【填句补文】The acid rain(酸雨) is said to be caused by pollution from oil wells in the Gulf of Mexico. Car exhaust gases are also a problem. Local volcanic eruptions make the problem even worse. Nevertheless, with enough money and effort, researchers say th

【填句补文】David Guterson and his wife teach their three children at home. Guterson says that his children learn very differently from children in school: ________. For example, when there is heavy snowfall on a winter day, it may start a discussion or re