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治疗难产的手术疗法有（）、（）、（）、（）。

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减少机械中因惯性力所引起的动载荷，可提高机械效率。

A. 正确
B. 错误

Your network consists of a single Active Directory domain named contoso.com. All computers are members of the domain. All network servers run Windows Server 2003 Service Pack 2 (SP2). Your company opens a branch office. In the branch office, you deploy a DNS server that hosts a zone named west.contoso.com. You enable dynamic updates on the west.contoso.com zone. You need to ensure that all computers in the branch office register resource records in the west.contoso.com zone. What should you do?（）

A. On the DNS server in the branch office, configure a forwarder to a DNS server in the main office.
B. On the DNS server in the main office, configure a delegation record for west.contoso.com.
C. On the network adapter for each computer in the branch office, configure the DNS suffix of West.contoso.com.
D. On the network adapter for each computer in the branch office, append the DNS search suffix of west.contoso.com.&e

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为了保持生产过程的比例性，可以（）。

A. 使各项能力完全保持一致
B. 使各生产环节保持必要的比例关系，若生产能力发生变化，可以通过协作、特许、有偿加工等方法解决
C. 用增大原材料、动力设备投入的办法来解决
D. 用增加产品的产出办法来解决

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按照酒会的礼仪规范，（）是错误的做法。

A. 排队取食
B. 少次多取
C. 禁止外带
D. 适度交际

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