治疗SLE的首选药物为()
A.环磷酰胺
B.糖皮质激素
C.环孢素
D.-硫唑嘌呤
E.氯喹
参考答案:B
He is out of work now but he gets a good _____ from his investment.
A.wage
B.salary
C.earning
D.income
对稳态噪声,一般以()为评价量。
A.A计权声功率级
B.A声级
C.A声功率级
D.等效连续A声级