According to Passage 1, which one of the following statements about
sharks is true?
(A) It has been proven that shark cartilage can
prevent tumors in humans.
(B) Sharks are known to be resistant to cancer.
(C) Shark cartilage can cause cancer.
(D) Sharks take sixty years to attain sexual maturity.
(E) Sharks are amphibians.
The word "malignancies" in line 8 means
(A) tumors
(B) diseases
(C) shortages
(D) problems
(E) complexities
3. In passage 1, the author’s primary purpose is apparently to
(A) examine potential of sharks.
(B) refute the fact that sharks rarely get tumors.
(C) question the need for preserving sharks.
(D) indicate the superiority of human intelligence
over that of sharks.
(E) increases awareness of the slaughter of sharks.