初诊时检查最好是()
A.TT3、TT4、TSH测定
B.T3抑制试验
C.IBH兴奋试验
D.FT3、FT4、TSH的测定
E.TT3、TT4、rT3的测定
参考答案:D
What ____________ doing? [ ]
A. are they
B. do they
C. does they
D. they are
为什么要验算高厚比?