3. This highly________water has a high environmental impact and therefore needs to be treated before being discharged to the environment.
(A) contaminated
(B) indigenous
(C) emerging
(D) endangered

34. What does the word "bolstered" mean in the 4th paragraph?(A) to support something(B) to contradict something(C) to ignore something(D) to ridicule something

35. According to the paragraphs above, which of the following statements is correct?(A) The number of visitors to zoos has declined sharply since 2005.(B) It is easy for zoos to balance the demands of entertainment, education, and conservation.(C) Animals can never experience the same mental-health illnesses suffered by humans.(D) Many zoo officials become emotionally close to the animals under their care.

1. As World War I drew to a close, Baltimoreans had good reason to be ________ about the future of the city.(A) quintessential (B) sanguine (C) chubby (D) eligible

2. Joshua is a ________ student and always does what he is told.(A) compliant (B) rebellious (C) aggressive (D) irrespective

4. The government of Myanmar voted to make education________ for every child in that country.(A) commissary (B) confidential (C) concealed (D) compulsory

5. Well before humans had any concept of the germ theory, we________ the ill and avoided touching dead bodies.(A) plucked (B) quarantined (C) perceived (D) sustained

6. Roland asked us which of the four possible ________ of the article was the most accurate.(A) commands (B) identifications (C) incentives (D) interpretations

7. Villers________ disappeared from the public view after having produced a group of impressive and original works.(A) crucially (B) irreparably (C) virtually (D) empirically

8. Tens of thousands of people________ to the town to take part in a music festival.(A) crashed (B) required (C) reacted (D) flocked

9. Apart from the ________ and the pressure of being watched under a gun, the female hostage seemed in good spirits.(A) decline (B) proliferation (C) seclusion (D) dexterity