试述行为金融学对于我国的证券市场的意义。
外国人见面多喜欢亲吻脸颊来问好，而在中国类似行为会引起害羞、恶心等情绪。这是（）。 ["由文化不同所造成的","基本情绪","次级情绪","神经过敏"]
How does using the service password encryption command on a router provide additional security? （） [" by encrypting all passwords passing through the router"," by encrypting passwords in the plain text configuration file"," by requiring entry of encrypted passwords for access to the device"," by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges"," by automatically suggesting encrypted passwords for use in configuring the router"]
马歇尔一勒纳条件表明的是，如果一国处于贸易逆差，会引起本币贬值，本币贬值会改善贸易逆差，但需要具备的条件是（）。 ["本国不存在通货膨胀","没有政府干预","利率水平不变.","进出口需求弹性之和必须大于1"]
高分子聚合物的分子结构有（）。
中国有没有金融脆弱性问题？如果有，原因何在？
