肿瘤分期以下列哪种检查方法更好（）。
A.PET/CT
B.CT
C.MRI
D.SPECT
E.B超
参考答案：A
Billy kept asking his mother whether he could go to the movies and she at last.
A．gave way
B．gave up
C．gave out
D．gave away
涂膜防水屋面子分部工程包含保温层、找平层、涂膜防水层、蓄水屋面。（）
