问题
单项选择题
关于唇腭裂，以下哪项描述不正确（）.
A.是一种较为常见的口腔颌面部先天发育畸形
B.国内的患病率为0.82％～1.6％
C.唇腭裂的错
畸形的患病率为97％
D.是由于胚胎发育第5周，上颌突与球状突以及前腭突与侧腭突未及时融合而形成
E.属于遗传度较高的多基因遗传病
答案
参考答案：E
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关于唇腭裂，以下哪项描述不正确（）.
A.是一种较为常见的口腔颌面部先天发育畸形
B.国内的患病率为0.82％～1.6％
C.唇腭裂的错畸形的患病率为97％
D.是由于胚胎发育第5周，上颌突与球状突以及前腭突与侧腭突未及时融合而形成
E.属于遗传度较高的多基因遗传病
参考答案：E
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 In Beijing Zoo, you can see many animals. Look! There is a big snake there. It comes from America. It can swim in the water. Next to the snake, there is an elephant. It's from Africa. It likes drinking lots of water. Look! That is a kangaroo. It's from Australia. It eats grass and leaves. Do you like the wolf? There is a small wolf in the zoo. It's only five months old. It is from Europe. There is also a tiger in the zoo. Its favourite food is meat. | ||||||||||
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