小剂量糖皮质激素替代疗法用于治疗
A．肾上腺皮质瘤
B．肾病综合征
C．肾上腺嗜铬细胞瘤
D．腺垂体功能减退
E．垂体肿瘤
参考答案：D
读答句，写问句。
1. A:____________________________?
B: I am drawing pictures.
2. A:___________________________?
B: I often play football on weekends.
3. A:____________________________?
B: I have Chinese class at 9:50.
4. A:____________________________?
B: My favourite month is July.
5. A:____________________________?
B: My mother's birthday is in March.
回归系数b的t检验，其自由度v为（）。
A.2n-1
B.n
C.n-1
D.n-2
E.以上说法都不对
