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.
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单项选择题
A．Eliminating the original vegetation from the building site.B．Making the houses in an area similar to one another.C．Deciding where a house will be built.D．Surrounding a building with wildflowers and plants.
A．Eliminating the original vegetation from the building site.
B．Making the houses in an area similar to one another.
C．Deciding where a house will be built.
D．Surrounding a building with wildflowers and plants.
单项选择题
A．The data he collected.B．Notes from research journals.C．His research project.D．The climate changes in his hometown.
A．The data he collected.
B．Notes from research journals.
C．His research project.
D．The climate changes in his hometown.
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