单项选择题

Why would the degree course in blackjack and roulette be popular

A．It is amusing.
B．It is a degree.
C．It offers major source of income for many families.
D．jobs are guarantee
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单项选择题
Compared with adults, children are ______.
A．more susceptible to colds and flu
B．more likely to touch their faces and noses
C．more careful about their appearances
D．washing their hands more frequently
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