下列实验操作中,不正确的是 [ ]
A.
B.
C.
D.
答案:B
Not only I but also Jane and Kate ___ tired of reading one book after another.
A.is
B.are
C.am
D.be
女,50岁。CT示胸3与胸4椎体破坏,伴椎旁软组织肿块,呈环形增强,诊断是()
A.转移瘤
B.骨髓瘤
C.骨肉瘤
D.骨髓炎
E.骨结核