正常成人甲状腺重量约为（）。
A.10-20g
B.20-30g
C.30-40g
D.40-50g
E.50-100g
参考答案：B
Leave it to me! I feel much more _____ about myself and my abilities these days.[ ]
A. confident
B. energetic
C. generous
D. curious
评价管理信息系统成功的惟一标准是 【11】 。
