xn/n在|x|<1的和函数是:()
A.ln(1-x)
B.ln[1/(1-x)]
C.ln(x-1)
D.-ln(x-1)
参考答案:B
— Are you getting a new apartment this year?
—________ I can’t afford to pay my bills. How can I buy a new apartment?
A.Don’t mention it.
B.You must be joking.
C.Are you sure?
D.Good idea!
疮疡漫肿无头,部位较深,皮色不变,不热少痛者为()
A.痰核
B.痈
C.疥肿
D.红丝疔
E.阴疽