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
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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
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
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
6.C demonstrates7.A fund8.A principle,practice9.A look into
C
A
A
A