NADPH-硝酸还原酶是寡聚酶，它以FAD和钼为辅因子，这些辅因子参与电子传递。
查看答案
根据皮棉包数决定试验室样品份数，100包及以下取一份；500包以上取（）份。
Refer to the exhibit. On the basis of the information in the exhibit， which two statements are true？（）
A. When traffic is sent from the ISP to autonomous system 64512， the traffic will be forwarded toSanJose2 because of the higher MED value of SanJose2
B. The serial 0/0/1 interface on the ISP router has been configured with the set metric 50command
C. The output was generated by entering the show ip bgp command on the SanJose1 router
D. The output was generated by entering the show ip bgp command on the ISP router
E. The serial 0/0/1 interface on the ISP router has been configured with the set metric 75command
F. When traffic is sent from the ISP to autonomous system 64512， the traffic will be forwarded toSanJose1 because of the lower MED value of SanJose1
下列关于内部收益率的讨论中，正确的是（）。
A. 内部收益率的经济含义是投资方案已经回收资金的获利能力
B. 内部收益率的计算受外部参数的影响
C. 利用内插法计算常规投资方案的内部收益率的近似值总是小于内部收益率的实际值
D. 内部收益率的实质就是使投资方案在计算期内各年净现金流量的现值累计等于零时的折现率
《公司债发行试点办法》规定公司债券发行采用核准制，实行保荐制度。（）
A. 正确
B. 错误
微信支付 
支付宝支付