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安全的三控指的是（）

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Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）

A. R1 has been configured with an ip default- network 2.0.0.0 command.
B. R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.
C. R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
D. Another router has been configured with an ip default - network 2.0.0.0 command.
E. Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.

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项目职业健康安全技术措施计划应由（）主持编制。

A. 公司相关部门
B. 分公司相关部门
C. 项目经理
D. 项目技术负责人

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棉纤维的化学性质是（）。

A. 怕酸不怕碱
B. 怕碱不怕酸
C. 既耐酸又耐缄

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《第五项修炼》的作者是西蒙。

A. 正确
B. 错误

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