关于铁蛋白,正确的描述是
A.血红蛋白的另一种名称
B.诊断缺铁性贫血的最理想指标
C.铁在体内的一种储存形式
D.铁在体内的转运形式
E.构成细胞色素C的基本单位
参考答案:C
— You looked so ______, what’s the matter?
— I’ve had a very trying time this afternoon. I had to spend the whole listening to the _____ lecture by Mr. Smith.
A.tired; boring
B.tired; boring
C.tiring; bored
D.tiring; bored
女性在几岁仍未开始性发育时,应考虑有性发育迟缓问题()
A.13岁
B.10岁
C.16岁
D.18岁
E.20岁