目前，在临床肿瘤核医学方面最有价值的仪器是（）
A.γ照相机
B.SPECT
C.SPECT/CT
D.PET
E.PET/CT
参考答案：E
— The number of the students in our class _____ fifty-six.
— How many of _____ are girls? [ ]
A. is, them
B. are, them
C. is, they
D. are, they
外感秽浊不正之气，热毒内盛的初期舌苔是
A．白腻苔
B．黄腻苔
C．积粉苔
D．灰黑苔
E．白碱苔
