26.What do the brothers expect of Trashbots?
A.It can reach kids all over the world.
B.It can be environmentally friendly.
C.It can be the best STEM learning tool.
D.It can help solve people's life problems.
27.What's the text mainly about?
A.The benefits of experimenting with robotics kits.
B.STEM courses in Indian orphanages.
C.Two problem solvers'problems
D.Two young brothers'business.

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