单项选择题

The special departments protect customers and workers in many ways except by（）

A．testing new products
B．designing new products
C．controlling the sale of product
D．inspecting work places

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热门试题

单项选择题

According to the passage, the sloth will move about when（）

A．it senses a coming danger
B．it is forced to swim on a hot day
C．it is short of its favorite food
D．it wants to keep itself to itself

单项选择题

Which of the following is NOT mentioned or implied by the author（）

A．The sloth has only three toes
B．The sloth lives in the damp jungle of South America
C．The sloth usually tries to find a new spot for food at night
D．The sloth will never fight with other animals