单项选择题

A．He knows little about concepts of engineering.
B．He can’t explain some concepts of engineering.
C．He gives talks to high school students regularly.
D．He doesn’t want the woman to postpone the talk.
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单项选择题
A．They liked to eat tea leaves.B．They did not know how to do with tea.C．They wanted to make sandwiches with tea.D．They were curious about the taste of tea leaves.
A．They liked to eat tea leaves.
B．They did not know how to do with tea.
C．They wanted to make sandwiches with tea.
D．They were curious about the taste of tea leaves.
单项选择题
A) Oil refinery. C) Food products. B) Linen textiles. D) Deepwater port.
A) Oil refinery. C) Food products.
B) Linen textiles. D) Deepwater port.
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