单项选择题

It can be inferred from the passage that all the work on the assembly line was （）

A．dangerous and dull
B．harmful but beneficial
C．repetitive and dull
D．easy but tiring

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热门试题

单项选择题

Something looks yellow because it（）

A．absorbs mostly yellow light
B．reflects mostly yellow light
C．absorbs all light
D．reflects all light

单项选择题

Which statement is true according to the passage（）

A．Not all objects reflect light.
B．All objects reflect light.
C．One particular object reflects only one color of light.
D．No objects will reflect all colors of light.