《中国药典》及日、美、英等国家药典收载的维生素C是A．维生素CB．抗坏血酸C．D-维

My name is Dan and I have two brothers, Bob and Ray. We like hamburgers for lunch. Bob and I like French fries but Ray doesn’t. I don’t like fish for supper, but Bob and Ray do. They both think(认为) fish is very delicious. I like noodles for breakfast . We all like chicken and rice for supper.

小题1:How many children(孩子们) are there ?

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小题2:What do they like for lunch ?

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小题3:Who doesn’t like French fries?

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小题4:Do Bob and Ray like fish for supper ?

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小题5:What do they like for supper?

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下列有关肝豆状核变性疾病的说法哪项是错误的（）

A.精神症状

B.常染色体隐性遗传

C.肌张力降低

D.有角膜K-F环

E.有锥体外系症状

数据库系统的三级组织结构中，DBA视图是 【13】 。

闭式泵电机额定电流是多少？备用泵联动的条件是什么？

【 】是数据库设计的核心。