已知函数f(x)=mx2+lnx﹣2x在定义域内是增函数,则实数m范围为( ).
The maths problem is ______ hard for us ______ solve.
A.so, to
B.so, that
C.too, to
D.very, to
男性,5岁,发热,咽痛,颈部及腹股沟淋巴结肿大,肝肋下1cm,脾肋下及边,ALTl25U/L,胆红素28μmol/L,EBV抗体阳性,其肝损害考虑为()
A.肝脓肿
B.中毒性肝炎
C.肝吸虫病
D.病毒性肝炎
E.自身免疫性肝炎