单项选择题

Questions 19-22 are based on the following dialogue: What attitude has the speaker shown toward the American solar energy industry

A．Romantic.
B．Cautious.
C．Optimistic.
D．Impressive.
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单项选择题
How many total courses must a student take for a literature major
A．Three.
B．Five.
C．Eight.
D．Ten.
单项选择题
A．moreB．lessC．fewerD．smaller
A．more
B．less
C．fewer
D．smaller
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