最易发生幽门梗阻的溃疡是：（） ["胃角溃疡","胃窦溃疡","球后溃疡","胃多发溃疡","幽门管溃疡"]
当今使用人数最多的文字是（）。 ["汉字","英文","俄文","拉丁文"]
If two routers， both reachable from one another， originate functionally equivalent type 2 external- LSAs （i.e，same destination， cost and non-zero forwarding address ）， Which of the following statements wouldapply ？（） ["Two LSAs will exist in the network for this destination， and both will be used","Two LSAs will exist in the network for this destination， but only the one generated by the highest RID ASBR will be used","Only the LSA generated by the highest RID ASBR will exist in the network","Only the LSA generated by the lowest RID ASBR will exist in the network"]
三相感应电动势为什么不允许却相运行？
按照中国人民银行对银行业资产风险的分类，信用贷款的风险权数为（） ["100","50","20","10"]
国际收支危机都有哪些传染渠道？
