题目内容

People don't feel happy as they achieve a better standard of living because they take for granted things they could not afford before.

A. 对
B. 错

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The non-monetary rewards from work also contribute to happiness.

A. 对
B. 错

The constant material improvement only leads to unnecessary waste and adds little to human happiness.

A. 对
B. 错

PowerPoint 中可以对音频文件进行裁剪。

A. 对
B. 错

PowerPoint中音频不可以跨幻灯片播放。

A. 对
B. 错