苯丙酮尿症属()
A.染色体畸变
B.常染色体显性遗传
C.常染色体隐性遗传
D.X连锁显性遗传
E.X连锁隐性遗传
参考答案:C
He said that his friend ______ there three days before, but she was not there_______.
A.had been; now
B.has been; then
C.had been; then
D.was; now
计算建设期利息时,如果贷款按季度、月份平均发放,为了简化计算,通常假设( )。
A.贷款均在每年的年中支用B.贷款均在每年的年初支用C.贷款均在每年的年末支用D.贷款按月计息