顺次连接任意一个四边形四边的中点所得到的四边形一定是 [ ]
A、平行四边形
B、矩形
C、菱形
D、正方形
答案：A
根据句意及首字母提示完成句子。
1. Go to the l____________ to read a book.
2. It was a birthday gift f____________ my mom.
3. Is the office f____________ from here?
4. Let's go to a r____________ to eat ice cream.
5. I listen to the r____________ in my bed.
6. These new slippers are just r____________.
内分泌疾病检查方法中属于功能诊断的检查是（）
A.MRI或CT扫描
B.甲状腺核素131I摄取率
C.B型超声仪探查
D.动脉插管造影术
E.静脉导管分段取血
