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两体雄蕊就是10枚雄蕊中9枚合生，1枚单独着生。( )
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举一反三
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【简答题】A The International Voluntary Service runs a number of Youth Exchanges throughout the year.Youth Exchanges give small groups of 45 young people the opportunity to take part in volunteering trips abro...
【单选题】What do you think _____ these young people so excited? [ ]
A.
making
B.
to make
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makes
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that makes
【简答题】完形填空。 The word sharp can be 1 to describe many different things in your home, classroom, and place of work. In this passage, the writer 2 sharp pencils, meaning pencils with a very fine point. The wri...
【简答题】The word “sharp” can be _1_ to describe many different things in your home, classroom, and places of work. In this chapter, the writer _2_sharp pencils, meaning pencils with a very fine _3_.The writer...
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