单项选择题

The Solo Trek is able to lift off the ground by using （）.

A．a solar powered engine
B．engine-powered twin fans
C．large flapping wings
D．rotating blades

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单项选择题
23（）

A．pieces
B．parts
C．pairs
D．double
单项选择题
After reading the story what can we infer about the film director（）

A．He wanted to laugh at Larry.
B．He recognized Larry at first sight.
C．He was kind and gave Larry a try.
D．He thought Larry would become a star.
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