题目内容
我国远程教育的发展可以分为四个历史时期：萌芽和准备期；创建、起步和中断期；恢复、繁荣和调整期；战略革新和起飞期（丁兴富，2002）。
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1. We are planning a huge _____________ to raise money for the homeless.2. I really _________ all the time you have given us.3. Kelly works twice a week at the _________ helping the poor.4. We can finish faster if everyone gets__________.5. My uncle will _________ a lot of money to help victims of the earthquake.6. Have you ever done any __________ work? You don’t get paid, but you feelreally good afterwards.7. Saving endangered animals is a serious_________. Everyone should care aboutit.8. My parents give me a lot of ____________ in everything I do.9. The _________ is collecting money to help those in need.10. Global warming is not just a(n) _________ problem. It affects everyone.
（）谁提出了“双向对称”的公共关系模式？
以下不属于反射弧的是( )。
下列不含消化酶的消化液是( )。
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