A．During literature class.B．The next day.C．In about an hour.D．Before literature class.
A. During literature class.
B. The next day.
C. In about an hour.
D. Before literature class.
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A．Many sources of surface water have been found.B．Chemicals were found in the water.C．
A. Many sources of surface water have been found.
B. Chemicals were found in the water.
C. A growing population need more clean water in that place.
D. A bomb factory will be built there.
【S13】
A. dissembled
B. disassembled
C. assembled
D. resembled
What do we know about the "ghosting" from the passage？
A. It is a double image of TV.
B. It refers to the speed of light.
C. It was eventually solved by engineers.
D. It refers to the speed of the radio signals.
A．It is a serious throat to its competitors.B．It is not powerful enough to affect the
A. It is a serious throat to its competitors.
B. It is not powerful enough to affect the world market.
C. The cars' quality is good enough to have their own branding.
D. None of the Chinese cars meet the standard in the US.
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