题目

If you feel stressed by responsibilities at work, you should take a step back and identify (识别) those of   61   (great) and less importance. Then, handle the most important tasks first so you’ll feel a real sense of   62   (achieve). Leaving the less important things until tomorrow   63   (be) often acceptable. Most of us are more focused   64   our tasks in the morning than we are later in the day. So, get an early start and try to be as productive   65   possible before lunch. This will give you the confidence you need to get you through the afternoon and g11、在用铁锤锻打工件的过程中，工件发生显著变化的是（　　）A、比热B、密度C、温度D、质量