单项选择题

Newly-found fossilized tracks in Alaska proved that dinosaurs' migration between Asia and North America took place ______.

A．much earlier than experts previously thought
B．much later than experts previously thought
C．after Asia became an independent continent
D．sometime around 25 million years ago

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单项选择题

Which of the following statements about the SBA program can be inferred from the passage

A．The maximum term for loans made to recipient businesses was 15 years.
B．Business loans were considered to be more useful to recipient businesses than was management and technical assistance.
C．The anticipated failure rate for recipient businesses was significantly lower than the rate that actually resulted.
D．The capitalization needs of recipient businesses were assessed and then provided for adequately.

单项选择题

What's the subject of the passage

A．My mother's band.
B．Pickled cabbage.
C．Kim chee.
D．My mother.