5个月女婴维生素D缺乏性佝偻病激期骨骼改变最常见的表现为（）

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问题单项选择题

A.颅骨软化

B.方颅

C.前囟增大

D.腕踝部膨大

E.肋骨串珠和肋膈沟

答案

参考答案：A

解析：维生素D缺乏性佝偻病的最常见的骨骼改变：3～6月常见颅骨软化，8～9月常见方颅。

填空题

等腰三角形一腰上的高与另一腰所成的夹角为45°，则这个等腰三角形的顶角的度数为______．

句型转换

根据所给提示，完成句子，每空一词，含缩略词

1. Most people watched TV late in May this year. (改为一般疑问句)

_______________ most people _______________ TV late in May this year?

2. The students will learn the group dance on the school playground. (对划线部分提问)

_______________ the students learn the group dance?

3. More and more foreigners speak Chinese in the world now. （改为被动语态）

Chinese _______________ _______________ by more and more foreigners in the world now.

4. Little Jim is only five years old. He can't make model planes by himself. （合并为一句)

Little Jim is ______________ young ______________ make model planes by himself.

5. 我们应该多参加课外活动。(完成译句)

We should in after-school activities more often.