磁力泵的驱动磁钢环与隔离套接触将导致()。
(A)泵不排液
(B)流量不足
(C)噪音太大
(D)电机烧毁
参考答案:C
国家助学贷款风险补偿专项资金由财政和普通高校的承担比例是( )。
A.1:1
B.2:1
C.3:1
D.4:1
They are talking about Rome____they had been there before. [ ]
A. even if
B. if
C. as though
D. as