方程5x2=x的解是______.
∵5x2=x,
∴5x2-x=0,
∴x(5x-1)=0,
∴x=0或5x-1=0,
∴x1=0,x2=15.
故答案为x1=0,x2=15.
升结肠癌,CT检查可显示()。恶性淋巴瘤,CT检查可显示()。
A.新月形稍低密度灶
B.病变区FDG代谢减低,CT未见明显异常
C.肠壁增厚,PET示FDG代谢异常增高灶
D.颈、锁骨上窝、纵隔淋巴结肿大,PET见以上淋巴结FDG代谢异常增高灶
E.结节样占位,FDG代谢异常增高灶
The doctor will see you again next week. _____, you must rest as much as possible.
A.Somehow
B.However
C.Meanwhile
D.Indeed