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【简答题】
There are people in the US who go to school their whole lives. In fact(1)_______of people in America attend school at any given time. Of course, children must go to school. But (2)______go, too. Some take classes after work. Others go back to school after they (3)_____. Some change jobs late in life. This is happening more and more every year. These adults go to (4)_______ with the younger students and earn degree there. Certain colleges have night classes for adults who want to(5)_______. A bus driver may take classes in photography. An engineer may want to learn to(6)_______. Adults often take night classed to learn useful or pleasurable things. These add to the (7)________ of their lives. Some people would like to study, but they have young children and they have to (8)_______, They can take “correspondence” classes. The college sends them homework and tests through the mail. They can do the (9)________and take the tests at home. Then they send these papers back to the college. They can earn credits, complete classes, and get a (10)________ 整篇短文文本和音频放在这里,一共十个空,每个空的答案请大家分别填写在1-10题中! There are people in the US who go to school their whole lives. In fact(1)_______of people in America attend school at any given time.
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【单选题】以下哪个选项是“人造”的自然,是科学技术应用于社会生活的具体体现()
A.
水、阳光、空气等
B.
木、石、土等
C.
电脑、宇宙飞船、拖拉机、电冰箱等
D.
鸡、鸭、羊、狗等
【判断题】功率放大电路的主要任务是向负载提供足够大的输出功率,因而采用微变效法来分析。
A.
正确
B.
错误
【判断题】功率放大电路的主要任务是向负载提供足够大的输出功率,因而采用微变等效法来分析( )
A.
正确
B.
错误
【判断题】功率放大电路的主要任务是向负载提供足够大的输出功率,因而采用微变等效法来分析。A. 对 B. 错
A.
正确
B.
错误
【判断题】电位具有相对性,规定参考点的电位为零电位。
A.
正确
B.
错误
【单选题】电位具有相对性,规定参考点的点位为( )?
A.
正电位
B.
零电位
C.
负电位
【判断题】功率放大电路的主要任务是向负载提供足够大的不失真功率信号。( )
A.
正确
B.
错误
【判断题】功率放大电路的主要任务是向负载提供足够大的输出功率,因而采用微变等效法来分析。
A.
正确
B.
错误
【判断题】功率放大电路的主要任务是向负载提供足够大的输出功率,因而采用微变效法来分析。
A.
正确
B.
错误
【单选题】()是“人造”的自然,是科学技术应用于社会生活的具体体现。
A.
水、阳光、空气等
B.
鸡、鸭、羊、狗等
C.
电脑、宇宙飞船、电冰箱等
D.
木、石、土等
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