【简答题】Enough sleep is important to health. The amount of sleep needed __31________ on the age of the person and the conditions in ___32_______ sleep takes place. The young may need more sleep than ___33____...
【单选题】The professors suggest that the essence of principled negotiation is to separate the person from the problem and on focus on interests, and not to position.
【单选题】Choose the correct topic sentence or concluding sentence to fill in the blank. 为以下段落选出合适的主题句。 When you buy insurance, you enter into a written agreement with the insurance company. ______. An insuranc...