I have two brothers, neither of them __ at home now.
A.are
B.is
C.am
D.be
答案:B
Which of the following is NOT a criteria for classifying a capital lease()
A. The term of the lease is 75 percent or more of the estimated economic life.
B. It contains a bargain purchase option.
C. The present value of the minimum lease payments equals or exceeds 80 percent of the fair value of the leased property.
下述各项控制梭状芽孢杆菌生长繁殖的方法中错误的是
A.用止血带防止感染扩散
B.用3个大气压的纯氧治疗
C.可使用四环素
D.投给大剂量的青霉素
E.用氧化剂冲洗创口