The word this in the passage refers to
A. oil and coal both have complex molecular structures.
B. all fossil fuels produce carbon dioxide when burned.
C. natural gas releases substantially less carbon dioxide than other fuels.
D. natural gas emits far less nitrogen and sulfur.
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A．She forgot to bring her skates.B．She"s staying home from work today.C．
A. She forgot to bring her skates.
B. She"s staying home from work today.
C. She made other plans.
D. She has to work late tonight.
A．Her hometown doctor works at thestudent health center.B．She cannot help the man
A. Her hometown doctor works at thestudent health center.
B. She cannot help the man choose a doctor.
C. She didn"t know she needed a physical exam to play basketball.
D. The man should visit a doctor in his hometown.
Coyote ______ ______
A
B
C
D
E
F
G
In Paragraph 2, The word their in the passage refers to
A. brakes.
B. skis.
C. ski manufacturer.
D. kick-off force.
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