Crying marriage? Surprising, isn't it? Actually, the custom of crying marriage{#blank#}1{#/blank#} (exist) a long time ago in many areas of Southwest China's Sichuan Province, and remained in fashion until the end of the Qing Dynasty. Though not so popular {#blank#}2{#/blank#}before, the custom is still observed by people in many places, especially Tujia people,{#blank#}3{#/blank#} view it as a necessity of the marriage procedure.

    It is very much the same in different{#blank#}4{#/blank#} (place) of the province. According to elderly people, every bride had to cry at the wedding. Otherwise{#blank#}5{#/blank#} bride's neighbors would look down upon her as a {#blank#}6{#/blank#}(poor) educated girl and she would become the laughingstock of the village. In fact, there were cases in which the bride {#blank#}7{#/blank#} (beat) by her mother for not crying at the wedding ceremony.

    In a word, crying at the wedding is a way to set off the{#blank#}8{#/blank#} (happy) of the wadding through falsely sorrowful words. However, in the {#blank#}9{#/blank#} (arrange) marriages of the old days of China9 there were indeed quite a lot of brides who cried over their {#blank#}10{#/blank#} (disappoint) marriage and even their unhappy life.

    Earth Day is an event {#blank#}1{#/blank#} (annual) celebrated on April 22.{#blank#}2{#/blank#} (found) by Senator Gaylord Nelson, an American politician and environmentalist, it was originally aimed at helping the public to know the current situation of pollution and {#blank#}3{#/blank#} (get) people to care about the earth.

    In 1962, Rachel Carson's bestseller “Silent Spring” created an {#blank#}4{#/blank#} (aware) of the dangerous effects of pesticides(农药）. Then, a fire,{#blank#}5{#/blank#}broke out in 1969 on Cleveland's Guyahoga River, revealed the problem of chemical pollution in water. Senator Gaylord Nelson dreamed of{#blank#}6{#/blank#}similar event that would get people to take environmental issues seriously. In 1969, he was inspired by protests against the Vietnam War and came up with the idea for Earth Day.

    In the fall of 1969, Nelson announced it and appealed to the entire country to get involved. Consequently, telegrams, letters and telephone calls {#blank#}7{#/blank#} all over the country poured in. Since 1970, Earth Day celebrations have grown. Later, Nelson{#blank#}8{#/blank#}(award) the Presidential Medal of Freedom because of his work.

    Today, numerous communities celebrate Earth Week, an entire week of{#blank#}9{#/blank#}(activity) focused on the environmental issues. In 2017, the March for Science {#blank#}10{#/blank#}(occur) on Earth Day and was followed by the People's Climate Mobilization on April 29.

    Ever wondered how many calories are in the human body? Or ever wondered why old people have {#blank#}1{#/blank#} (big) ears than they used to? The winners of Ig Nobel Prizes (搞笑诺贝尔奖) have got the answers.

    He Ig Nobel Prizes, founded in 1991, are to honor achievements {#blank#}2{#/blank#} first make people laugh, and then make them think, The ceremony {#blank#}3{#/blank#} (take) place at Harvard University every year. Winners' acceptance {#blank#}4{#/blank#}(speech) are limited to 60 seconds, {#blank#}5{#/blank#} (strict) policed by an eight-year-old girl.

    The honored research might seem ridiculous {#blank#}6{#/blank#} first sight, but that doesn't mean it lacks scientific value. For example, the research in 2006 on why dry spaghetti tends to break into more than two pieces was important {#blank#}7{#/blank#} (discover) failure in bridge spans (跨度) or human bones And a follow-up paper {#blank#}8{#/blank#} (publish) by MIT physicists several years later. But people are more likely to read about {#blank#}9{#/blank#} (break) spaghetti than to read an academic paper. Even when there is no immediate usefulness, {#blank#}10{#/blank#} is still good to encourage people to observe and think.