Instructional Materials: their preparation and use

Please help!
If you want to project a microscope slide onto a screen, which machine would you use?
A opaque projector
B copy machine
C bioscope
D slide projector
I think the answer is D I'm I right.

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  1. A projector is the best choice out of the four given.

    However, there are specialized equipment for projecting a microscope slide call a "projection microscope", such as shown in the following link:
    http://www.projectionmicroscope.com/

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