11. The best heading for this passage is .
a. Baby broccoli may fight cancer
b. Broccoli is found useful
c. SGS is important for the body
d. Cancer cells can be killed
12. The verb “boost” (line 3) can be best replaced by .
a. advance b. preserve
c. expand d. improve
13. In this passage, the word that means “producing the expected results” is
a. effective b. concentrated
c. patented d. available
14. The pronoun “them” (line 12) refers to .
a. salads b. broccoli plants
c. the seedlings d. health foods
15. The passage could probably be found in the section .
a. Secrets for Safety b. Natural Health
c. Health Medicine d. Natural Safety Systems