In which of the following chapters would this passage most probably appear？
A. Environment and Organisms
B. Pollution and Policies
C. Human Influences on Ecosystems
D. Energy Resources
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Which of the following is mentioned as an example of a commensal relationship？
A. Orchids
B. Mistletoe
C. Ants
D. Fungus
Woman: Mr. Scott came back from L.A.very late yesterday. Man: So, even if he had been able
A. Mr. Scott was late for the party.
B. Mr. Scott didn't attend the party at all.
C. Mr. Scott attended the late party.
D. Mr. Scott did not like attending parties.
Woman: Anne says she'll be visiting us on Friday. Man: I suppose that'll be the last we'll
At the beginning of the term.
B. Towards the end of the term.
C. During the Christmas season.
During the summer vacation.
Woman: Is Tim aware of the consequences of smoking？ Man: Sure he is, but he's afraid that
A. He isn't aware of the consequences of smoking.
B. He believes that smoking helps to keep his figure.
C. He's afraid of losing weight if he quits smoking.
D. He thinks smoking can make him handsome.
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