基底细胞上皮瘤易误诊为恶性黑素瘤的类型是()
A.结节溃疡型
B.表浅型
C.硬皮病样型或硬化型
D.色素型
E.纤维上皮瘤型
参考答案:D
已知函数f(x)=ax+lnx(a∈R),
(Ⅰ)若a=2,求曲线y=f(x)在x=1处切线的斜率;
(Ⅱ)求f(x)的单调区间;
(Ⅲ)设g(x)=x2-2x+2,若对任意x1∈(0,+∞),均存在x2∈[0,1],使得f(x1)<g(x2),求a的取值范围。
—Oh. Mary’s not here these days. Is she ill?
—_____.Her mother told me that she was in hospital.
A.I am afraid so
B.I hope not
C.I don’t mind
D.I don’t think so