个人助业贷款,采取自助可循环方式的,保证方式循环额度有效期为()。
A.1年
B.2年
C.3年
D.5年
参考答案:B
已知A=-a-1,B=a2+a,C=2a2-5a-1
(1)当a≠-1时,请你说明B-A>0;
(2)请你比较A与C的大小?并说明理由.
The teacher together with the students______ discussing Reading Skills that ________ newly
published in America. [ ]
A. are; were
B. is; were
C. are; was
D. is; was