赞题库-背景图
单项选择题

A．His son hit him on the arm.
B．He stumbled over a stone and fell.
C．He bumped the arm against a piece of furniture.
D．He knocked over a coffee pot.
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热门试题

单项选择题A．They didn’t notice them.B．They gave mythological explanations.C．They ignored them.D．They chose to avoid seeing them.

A．They didn’t notice them.
B．They gave mythological explanations.
C．They ignored them.
D．They chose to avoid seeing them.

单项选择题A．To tell what high tech and state of the art are.B．To tell how high tech and state of the art have developed.C．To give examples of high tech.D．To describe the modern technology.

A．To tell what "high tech" and "state of the art" are.
B．To tell how "high tech" and "state of the art" have developed.
C．To give examples of high tech.
D．To describe the modern technology.