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【判断题】
1-2.UTM在一台防火墙上综合了状态监测，入侵检测，URL过滤等功能，提供全方位的安全防护服务；A.
正确
B.
错误
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【单选题】What is an "operating" cycle?
A.
A cycle of transactions that converts cash inflows to cash outflows, or vice versa.
B.
A cycle where there is receipt of funding from investors, those funds are used to generate returns from investments and operations, and then the funds are returned to investors.
C.
A cycle where a property is purchased that has long-term future benefits for the enterprise, which ultimately results in cash inflows, and then the property is disposed of.
D.
A cycle that involves the purchase of items such as inventory; production, sales, delivery of goods or provision of services; and receipts from customers.
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【简答题】一片可编程芯片8255有【1】个8位的并行端口.
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【简答题】What can be inferred from the last paragraph?（ ） [A] Newspapers are now operating their own websites. [B] Websites begin to involve in the traditional newspaper business. [C] Competition on ads will b...
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