Circle the four sentences which are true.
1.
Wing-suits allow people to fly or glide.
2.
Wing-suits are getting cheaper.
3. Gabriele
Diamanti's water distiller is powered by the sun.
4. The
"enable talk gloves" help people to use sign language in really cold conditions.
5. James
Cameron invented a new underwater camera.
6. MIT
students have invented a new type of ketchup.
7. The last
invention is a way of producing clouds indoors.
8. The
science correspondent thinks the clouds are ugly.
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