人们的体育兴趣爱好,体育习惯和体育行为也是生活方式的重要构成因素。
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脂质体的常用材料是()。
A. 磷脂
B. 胆固醇
C. 白蛋白
D. PLGA
Task 5 Listen to the following passage three times and fill in the blanks with what you hear. How to give people advice? 1. _____________ , make sure that the person who is talking to you is actually seeking advice. He or she may just want you to listen and be a good 2. _____________ , seeking instead of understanding, empathy (同情), and compassion (怜悯). Don't assume that everyone wants advice. You may have some insight into the problem(s), but you really need to listen attentively to a person first for a very long time to understand the situation. If, and 3. _____________, your friend actually ASKS for advice should you then furnish it.It is a great honor to be asked for advice, but it is also a big responsibility. Good advice can help people make sound decisions or find the right path in life, 4. _____________ bad advice can have disastrous consequences. 5. _____________ , with a little forethought you can weed out (除去) the good from the bad.
数据库系统与文件系统的主要区别是______。
A. 数据库系统复杂,而文件系统简单
B. 文件系统不能解决数据冗余和数据独立性的问题,而数据库系统可以解决
C. 文件系统只能管理程序文件,而数据库系统能够管理各种类型的文件
D. 文件系统管理的数据量较少,而数据库系统可以管理庞大的数据量