单项选择题

What is this article about
A) Energy from the sun. C) How oil is made.
B) Natural gas. D) Saving energy.

A．What is this article about
B．Energy from the sun.
C．Natural gas.
D．How oil is made.
E．Saving energy.
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单项选择题
What does this article suggest
A．Oil companies are against solar energy.
B．Many people are afraid of solar energy.
C．Solar energy might ease the energy problem.
D．Shortage of natural gas.
单项选择题
Solar energy causes A) less pollution than oil C) the same pollution as oil B) more pollution than oil D) financial problem
A．Solar energy causes
B．less pollution than oil
C．more pollution than oil
D．the same pollution as oil
E．financial problem
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