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TOEFL L06.02 SESION 1
Autor :
Mildred Roxana Montufar Moya
1.
How do we battle bacteria every day?
A.
tissue paper
B.
towels and water
C.
anti-bacterial soaps
D.
instant gel
2.
Bacteria help the circle of life
A.
by working all the time
B.
eating pizza and food
C.
helping decay dead animals
D.
pathogens
3.
We need bacteria to:
A.
digest our food
B.
defend our body
C.
help with the circle of life
D.
all of the above