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There is free firewall software available that can run on minimal hardware and provide a good level of (71) to your network.

A. protective
B. profectiog
C. protection
D. profection

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I walked eight miles today. I never guessed that I could walk ______ far.

A) that
B) more
C) such
D) as

已知某工程的计划工作预算费用为5000万元，已完工作预算费用为6000万元，已完工作实际费用为5800万元，则此工程的进度绩效指数为( )。

A. 0.7
B. 0.9
C. 1.02
D. 1.2

建设项目工程总承包方项目管理工作涉及项目( )的全过程。

A. 审批阶段
B. 实施阶段
C. 决策阶段
D. 使用阶段

The Olympic Games, ______ in 776 B.C., did not include women players until 1912.

A) first playing
B) to be first played
C) first played
D) to be first playing