局域网交换机可以为连接到交换机端口的多个节点之间同时建立多个
A. 传输层连接
B. 并发连接
C. 超链接
D. 包交换
以下关于个人住房贷款抵押说法正确的是（)。A．采取质押方式的，出质人和质权人必须签订书面质押合同以下关于个人住房贷款抵押说法正确的是()。
A. 采取质押方式的，出质人和质权人必须签订书面质押合同，需要办理登记的，应当办理登记手续。质押合同的有关内容，按照《中华人民共和国担保法》的规定执行。质押合同至借款人还清全部贷款本息时终止
B. 对设定的质物，在质押期届满之前，贷款人不得擅自处分。质押期间，质物如有损坏、遗失，贷款人应承担责任并负责赔偿
C. 借款人必须提供的抵押物，必须有效、足额
D. 保证人与债权人应当以书面形式订立保证合同
E. 以上都是
In the text the underlined sentence, Savage was living from hand to mouth, means ______.
A. Savage had clothes to wear and food to eat
B. Savage had no money to buy clothes and food
C. Savage was very poor and ill
D. Savage was too poor to live on
In Poland, it is ______ for the hostess to remove the cover of the bunch of flower somebody presented to her.
A. impolite
B. polite
C. expected
D. unexpected
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