All of the following are given as examples of electronic media EXCEPT
A. the telegraph
B. the computer
C. movies
D. radio
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It can be inferred from the last paragraph that the self-correcting process in science requires______.
A. strict controls
B. individual wisdom
C. persistent innovation
D. shared efforts
The word their in paragraph 5 refers to
A. resources
B. trees
C. insects
D. logs
It can be learned from Paragraph 3 that the public-sector unionization is______.
A. currently compulsory but beneficiary
B. beneficiary but not necessary
C. optional but popular
D. voluntary but ignored
The word signaled in paragraph 4 is closest in meaning to
A. followed
B. announced
C. concluded
D. delayed