单项选择题

A．The air is contaminated.
B．People there are exhausted.
C．It’s too windy for swimming.
D．The beaches are dirty.
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单项选择题
A．Keeping her topic focused and supporting her opinions with facts.B．Reading extensively and collecting as much reference as possible.C．Avoiding sensitive political points and seeking more power.D．Having discussions with employees and giving them more freedom.
A．Keeping her topic focused and supporting her opinions with facts.
B．Reading extensively and collecting as much reference as possible.
C．Avoiding sensitive political points and seeking more power.
D．Having discussions with employees and giving them more freedom.
单项选择题
Henrik Christensen is most concerned about whether robots are ______.
A．harmless
B．powerful
C．intelligent
D．durable
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