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【单选题】
B2O3加入到硅酸盐熔体中,其粘度变化为( )。
A.
降低
B.
升高
C.
先升高后降低
D.
先降低后升高
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知识点：
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【单选题】What word is wrong in this sentence? There has been a lot of problems at my work lately, but we have been dealing with them.
A.
has
B.
lot
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problems
D.
work
E.
have
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them
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【单选题】听力原文： There have been many great inventions, things that changed the way we live. The first great invention was one that is still very important today—the wheel. For hundreds of years after that there...
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B.
In the late 1800's.
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In the second half of the 19th century.
D.
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【单选题】—Will there be more trees in the future? — . Because people will plant more and more trees . [     ]
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【单选题】Which of the following is NOT true about the Istanbul Biennial?
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It takes viewers a long time to see the exhibits.
B.
Its architecture has been carefully designed.
C.
It has won much acclaim of the author.
D.
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【单选题】听力原文： There have been many great inventions, things that change the way we live. The first great invention was one that is still very important today—the wheel. This made it easier to carry heavy thin...
A.
In the second half of the 19th century.
B.
In the 1960s.
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【单选题】( )材质的丝袜一般都比不透明的材质正式。
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天鹅绒
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【简答题】A．A very popular food plant: B．A plant with limited uses. C．A food plant which has been thoroughly used. D．A plant used as a main food on the Pacific Islands.
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【单选题】在HTML语言规范里,网页元素是指( )、图像、声音、视频、动画、超链接、菜单、表单和程序等网页基础单元。
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【简答题】____ n. the natural home of a plant or animal
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【单选题】What word is wrong in this sentence? There has been a lot of problems at my work lately, but we have been dealing with them.
A.
has
B.
lot
C.
problems
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have
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【单选题】听力原文： There have been many great inventions, things that changed the way we live. The first great invention was one that is still very important today—the wheel. For hundreds of years after that there...
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【单选题】—Will there be more trees in the future? — . Because people will plant more and more trees . [     ]
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【单选题】Which of the following is NOT true about the Istanbul Biennial?
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It takes viewers a long time to see the exhibits.
B.
Its architecture has been carefully designed.
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It has won much acclaim of the author.
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【单选题】听力原文： There have been many great inventions, things that change the way we live. The first great invention was one that is still very important today—the wheel. This made it easier to carry heavy thin...
A.
In the second half of the 19th century.
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【判断题】C#不允许使用一个委托对象来同时调用多个方法。
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【简答题】A．A very popular food plant: B．A plant with limited uses. C．A food plant which has been thoroughly used. D．A plant used as a main food on the Pacific Islands.
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【简答题】____ n. the natural home of a plant or animal
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