在工程经济分析中,影响资金等值的因素有()。
A.资金额度
B.资金发生的时间
C.资金支付方式
D.利率的大小
E.货币种类
参考答案:A, B, E
----Why is he feeling down today?
----Because the suggestion he _______ has been turned down.
A.put away
B.put up
C.put down
D.put forward
雌激素对垂体FSH正反馈的最低阈值为()
A.100pg/ml
B.100ng/ml
C.200pg/ml
D.300pg/ml
E.300ng/ml