胸腔积液检查为：血性、比重1.020、蛋白定量39克／升、LDH503U／L、葡萄糖

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       Look at this picture. The boy is my good friend. His name is Mike. He is thirteen. He isn't tall. His

hair is brown. This is Mike's father. He is very tall. That is Mike's mother. She is tall, too. Mike's father

and mother are teachers. Who is the girl? She is Mike's sister. Her name is Mary. She is very nice. All of

them are English.

根据短文内容用合适的单词填空

1. My good friend is an ___ boy.

2. How old is Mike? He is _____.

3. Mike's father and ____ are teachers.

4. What colour is Mike's hair? It's _____.

5. Mary is Mike's ____.

患者，男性，23岁，慢性根尖周脓肿，行根管充填后2天又复肿痛，唇侧窦道有脓液渗出。X线示根尖周骨质破坏区内有大量超填物，此时宜采用的治疗方案是（）

A．抗炎、止痛

B．重新根管治疗

C．抗炎处理后行根尖手术

D．抗炎处理后行空管治疗

E．拔除患牙

我国国家公务员与所在国家机关之间的职务关系是一种()。

A．单方的行政法关系

B．双方的行政法关系

C．内部行政法关系

D．民事法律关系

制造和使用工具并不是人类特有的功能。