Ⅰ. 单句填空
1. You should have accounted for your （absent） for two days' off, but you kept silent at that moment.
2. You had better put down your goals on paper where they are （vision） so that they can help to monitor your progress.
3. She wants to have an o where her management skills can be put to good use.
4. In addition to the lunar program, China's a have entered the space station of the country's own construction many times.
5. E to lead is known to damage the brains of young children.
6. Without continued learning, graduates will lose their intellectual v.
7. Finally you climb into an arctic-like zone with （permanence） snow and the glaciers that may soon disappear.
8. It b me to think of her alone in that big house.
9. A there are some ten thousand of these volcanoes on the Earth, all but a few hundred of them extinct.
10. With children, it is important for parents to achieve the right balance between love and d.
