单项选择题

According to the speaker,

A．there are more ways to ensure blood supply.
B．more ways should be developed.
C．new rules should be developed.
D．more blood supply should be called for.

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单项选择题

What does the speaker mean

A．The picture is very beautiful.
B．I didn't expect it would get wet.
C．I don't think it will matter.
D．It is a pity that it cannot be used now.

单项选择题

What does the speaker mean by saying so

A．He feels puzzled.
B．He is complaining.
C．He is inquisitive.
D．He is unsatisfie