In order to improve our standard of living,we have to accelerate production.A:st

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问题 In order to improve our standard of living,we have to accelerate production.

选项 A:step up
B:decrease
C:stop
D:control

答案A

解析本句意思：为了提高我们的生活水平，我们必须加快生产。accelerate意为“使加速，加快”，与step up（提速，加速）意思相近。decrease减少；stop停止；control控制。

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