57. We can infer from the passage that SGS ___. 1. is very beneficial to our health 2. can be found only in broccoli sprouts 3. is used mainly to kill cancer cells 4. can be used on salads and some other foods
57. We can infer from the passage that SGS ___.1. is very beneficial to our health2. can be found only in broccoli sprouts3. is used mainly to kill cancer cells4. can be used on salads and some other foods