不良资产比例增加，意味着商业银行（）增加了。 ["时常风险","流动性风险","信贷风险","偿付风险"]
继承色
n your Cisco EIGRP network， you notice that the neighbor relationship between two of your routers was recently restarted. Which two of these choices could have made this occur？（） ["An update packet with init flag set from a known， already established neighbor relationship was received by one of the routers.","The ARP cache was cleared.","The counters were cleared.","The IP EIGRP neighbor relationship was cleared manually."]
旅客须按票面载明的日期、车次、席别乘车，并在票面规定（）内到达到站。 ["日期","时间","有效期"]
酶在制备过程中，为了保持酶的活力，要注意防止（），防止（），防止（）。一般酶的纯度愈高，其稳定性愈（）。
怎样判断课程内容的正确性？
