单项选择题

A． Detecting and screening out vicious spams.
B． Collecting online payment safely.
C． Helping companies customize anti-spam software.
D． Bypassing any anti-spam device to deliver e-mails directly to people’s inboxes.
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单项选择题
A． In the past decade, more and more local people are encouraged to buy the surplus of cottages.B． Thanks to the development of modern transportation, the town people are willing to buy the unwanted cottages.C． The price of these cottages has risen so much that nobody can afford to buy them.D． Cottage owners often let the houses in winter but sometimes spend the weekends there.
A． In the past decade, more and more local people are encouraged to buy the surplus of cottages.
B． Thanks to the development of modern transportation, the town people are willing to buy the unwanted cottages.
C． The price of these cottages has risen so much that nobody can afford to buy them.
D． Cottage owners often let the houses in winter but sometimes spend the weekends there.
单项选择题
A． Because the latter are less restrained from making imaginative leaps in their study.B． Because American culture is too young for people to have great respect for knowledge in the past.C． Because the American people have less patience for the boring past knowledge.D． Because most American people have shown an increasingly great respect for learning the things in the past.
A． Because the latter are less restrained from making imaginative leaps in their study.
B． Because American culture is too young for people to have great respect for knowledge in the past.
C． Because the American people have less patience for the boring past knowledge.
D． Because most American people have shown an increasingly great respect for learning the things in the past.
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