Hadoop中， Reducer 的三个阶段是() A: Shuffle ——Sort ——Reduce B: Shuffle ——Reduce——Sort C: Reduce——Shuffle ——Sort D: Sort ——Shuffle ——Reduce

3R管理理念中的3R是指 A: Reduce、Reuse、Recycle B: Reduce、Reuse、Replace C: Reuse、Recyle、Refine D: Reduce、 Replace、 Reduce

Map与Reduce之间的关系是（）。 A: Map的输出=Reduce的输出 B: Map的输入=Reduce的输出 C: Map的输出=Reduce的输入 D: Map的输入=Reduce的输入

An increase in the riskiness of corporate bonds will _____ the yield on corporate bonds and _____ the yield on Treasury securities.? reduce; reduce|increase; reduce|increase; not affect|increase; increase

reduce

They also reduce the distance the food needs to travel to reach most people. ( reduce )

Hadoop MapReduce计算的流程是________。 A: Map任务—Shuffle—Reduce任务 B: Map任务—Reduce任务—Shuffle C: Reduce任务—Map任务—Shuffle D: Shuffle—Map任务—Reduce任务

______ is fun and a great way ______ greenhouse gases. A: Plant trees, reduce B: Planting trees, to reduce C: To plant trees, reduce D: Planting trees, to reducing

For a gas turbine engine, Active Clearance Control (ACC) for turbine would : A: Reduce mechanical loss B: Reduce heat loss C: Reduce clearance loss

We'll _____ the gates. We'll _____ the staff.（ ） A: reduce; lock B: lock; reduce