男孩，3岁。尚不会独立行走，智力亦落后于同龄儿。

经检查，确诊后，下列哪点处理正确（）

A.明确诊断后即应开始治疗

B.开始服用5～10mg／d（甲状腺片）

C.每隔2～4周增加5～10mg／d至精神活泼、食欲好转、便秘消失而又无甲状腺功能亢进时再用维持量

D.应终身服用

E.需长期应用碘剂治疗

F.绒毛膜促性腺激素

G.促蛋白合成激素

H.hGH替代疗法

On a certain day it took Bill three times as long to drive from home to work as it took Sue to drive from home to work. How many Kilometers did Bill drive from home to work ？（）

(1)Sue drove 10 kilometers from home to work, and the ratio of was the same for Bill and Sue that day.

(2)The ratio of for Sue that day was 64 kilometers per hour.

A.条件（1）充分，但条件（2）不充分.

B.条件（2）充分，但条件（1）不充分.

C.条件（1）和（2）单独都不充分，但条件（1）和条件（2）联合起来充分.

D.条件（1）充分，条件（2）也充分.

E.条件（1）和条件（2）单独都不充分，条件（1）和条件（2）联合起来也不充分.