According to paragraph 3, how do ectoparasites survive？
A. They live in mold and mildew on their hosts.
B. They digest food in the intestines of their hosts.
C. They live on the nutrients in their bacterial hosts.
D. They inhabit the outside parts of their hosts.
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What can be inferred from the passage about the Jovian planets？
A. Some of the Jovian planets may have conditions that could support life.
B. Jupiter is classified as one of the Jovian planets.
C. Europa is the largest of the moons that revolve around Jupiter.
D. The orbits of the Jovian planets have changed over time.
The word actually in the passage is closest in meaning to
A. frequently
B. initially
C. really
D. usually
【C6】
A. compassion
B. opposition
C. criticism
D. assault
Compared with Booker T. Washington, Du Bois's stance was
A. less popular.
B. more radical.
C. less aggressive.
D. more conservative.
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