【判断题】【消耗次数：1】
甲乙类功率放大电路较乙类功率放大电路，具有输出功率大、效率高和非线性失真小的特点。
①
正确
②
错误
参考答案：
复制
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【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”Millions of people are enroll in adult educational institutions across China.
①
正确
②
错误
【判断题】
阅读课文II. Television and Children, 判断下列句子表述内容的正误:Television is an excellent invention that may help with education.
①
正确
②
错误
【多选题】
Every day,___________ , many thousands of men and women jog.
①
in all kinds of weather
②
in all weathers
③
on all kinds of weather
④
on all weathers
【多选题】
Why do you forget something? What is the reason? You did not learn it_________ . This is the major reason for forgetting.
①
in the beginning
②
at the beginning
③
at first
④
at last