Page 93-95 Part 6 Paragraph C6. What main idea is the writer implying?
All chemical reactions require oxygen.
B. Oxygen is vital to human life.
C. Less than a fourth of the air we breathe is oxygen.
D. The respiratory system and the cardiovascular system work together.
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Page 93-95 Part 6 Paragraph C5. What is the topic?
A. humans
B. nutrients
C. oxygen
D. the respiratory system
Page 93-95 Part 6 Paragraph B4. What is the writer saying about the topic?
A. Google searches offer clues to your identity.
B. People write things on the Internet they would never say face-to-face.
C. Your identity is not secret on the Internet.
D. Screen names help conceal your identity.
Page 93-95 Part 6 Paragraph B3. What is the topic?
A. online identity
B. screen names
C. online services
D. Google searches
Page 93-95 Part 6 Paragraph A2. What main idea is the writer implying?
A. U.S. presidents all enjoy being in the public eye.
B. The successors of President Kennedy have tried to imitate him.
C. Presidents have placed increasing importance on making public appearances.
D. Presidents spend too much time making public appearances.
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