Which of the following describe private IP addresses?（）
Addresses chosen by a company to communicate with the Internet.
B. Addresses that cannot be routed through the public Internet.
C. Addresses that can be routed through the public Internet.
D. A scheme to conserve public addresses.
E. Addresses licensed to enterprise or ISPs by an Internet registry organization.
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选择化妆品时，首先应该重视化妆品卫生。（）
A. 正确
B. 错误
依照法国法，如果订约对象的考虑是订立该合同的主要原因，而在订约时错认了订约对象，可以作为合同无效的原因。以下不符合该原则的合同为（）。
A. 承包合同
B. 借贷合同
C. 买卖合同
D. 雇佣合同
CAS-OB工艺中"OB"是指吹氩气。
A. 正确
B. 错误
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