女性，32岁，既往健康。5年前分娩时大出血后出现闭经，近1年来怕冷、水肿、毛发脱落、性欲低下。血清FT3、FT4下降，尿17羟皮质类固醇减少，血糖3．36mmol／L。（60mg／d1）。可能的诊断是（）。

A.肾上腺皮质功能低下

B.垂体嫌色细胞瘤

C.Sheehan综合征

D.性腺功能低下

E.甲状腺功能低下（严重）

请根据要求改写下列句子，每空一词。

小题1:You’d better eat some bread now.(改为否定句)

You’d better _________ eat _________ bread now.

小题2:Elsa spends $30 buying books each month.(保持句意基本不变)

The _________ of Elsa’s books _________ $30 each month.

小题3:Kate will return to school in a week.(对划线部分提问)

_________　_________ will Kate return to school?

小题4:Leo and David are the same age.(保持句意基本不变)

Leo is as ________ _________ David.

小题5:I went to bed after I finished my homework.(保持句意基本不变)

I ________ go to bed _________ I finished my homework.