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国际标准是世界各国进行贸易的基本准则和基本要求，我国《标准化法》规定：“国家必须采用国际标准。”( )
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西红花和草红花分别来源于鸢尾科和菊科，请说明此二科花的结构的主要特征。
Complete these sentences with some or any. Then match them to the questions in Exercise 2 like this: a I’m afraid not. But there are some near the cafeteria. [ 1 ] b No, there isn’t ______ parking near the Centre.[ ] c Yes, there are ______ sporting events. There’s a tennis tournament on Saturday and a swimming competition on Sunday.[ ] d Yes, there are ______ excellent restaurants nearby.[ ] e No, there aren’t ______ shopsnear the Centre. [ ] f Yes, thereare ______ inexpensive hotels near the Centre. For example, the Park Hotel isn’t too expensive. [ ]
等面叶和异面叶
Directions: Some people prefer to eat at food stands or restaurants. Other people prefer to prepare and eat food at home. Which do you prefer Use specific reasons and examples to support your answer.
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