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根据课程制定者或管理层次的不同,基础教育课程可分为国家课程、地方课程和( )

A. 活动课程
B. 社会课程
C. 特色课程
D. 学校课程

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Direction: Fill in the blanks with the words given below. Change the form where necessary. Each word can be used only once.1. She is a woman who ______ to her own conscience in life.2. You needn’t degrade yourself by _ with your flaws.3. _ it to say that it was a whirlwind romance.4. Despite the economic prosperity we enjoy, there remain concerns over the _ of our social and environmental interests.5. Many people admire Ma Yun for his success in business, but few people are clear about how much effort he has _ to make it.6. In prosperity our friends know us, while in _ we know our friends.7. The _ in his knowledge and skills makes him an optimum candidate for the position.8. Most of us often _ hopes for success but ill afford to make greater effort toward it.9. What you _ yourself to today may turn out to be a poison to your life tomorrow.10. Every time I watch A Bite of China, I find it difficult to _______ from feeling hungry.

Please match the following phrases with their meanings.

多级放大电路的级数越多，其电压增益越；频带越。

场效应管放大电路和双极型放大电路相比，具有输入电阻，噪声和集成度等优点，但由于跨导较小，使用时应防止栅极与源极间短接击穿。