作业帮英语大神教我6.Closed-circuit televisions（闭路电视） make it easy for a large number of students to see everything a teacher ___________.[A] democrates [B] discovers [C] demonstrates [D] teaching7.We have raised a five-thousand-pound ____
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英语大神教我6.Closed-circuit televisions（闭路电视） make it easy for a large number of students to see everything a teacher ___________.[A] democrates [B] discovers [C] demonstrates [D] teaching7.We have raised a five-thousand-pound ____
英语大神教我
6.Closed-circuit televisions（闭路电视） make it easy for a large number of students to see everything a teacher ___________.
[A] democrates [B] discovers [C] demonstrates [D] teaching
7.We have raised a five-thousand-pound _________ for the Red Cross.
[A] fund [B] foundation [C] money [D] charity
8.In _________,if not in __________,science could describe all of it.
[A] principle,practice [B] fact,principle
[C] practice,principle [D] fact,reality
9.Natural resources are very limited.We should __________ the possibilities of solar energy,wind-generated electricity,nuclear energy,etc.
[A] look into [B] look up
[C] look on [D] look over
英语大神教我6.Closed-circuit televisions（闭路电视） make it easy for a large number of students to see everything a teacher ___________.[A] democrates [B] discovers [C] demonstrates [D] teaching7.We have raised a five-thousand-pound ____
云横秦岭家何在?雪拥蓝关马不前.