What is the main idea of Para. 5？
A. Why brown fat can not necessarily help to lose weight.
B. Why people will feel hungry.
C. Why people is eating more food than before.
D. Whether drug companies can manage to activate brown fat.
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What can be inferred from the last paragraph of the passage？
A. More information makes less appearance on a Google search.
B. Google will keep users' personal information safe.
C. In the future users will receive advertisements from Google profiles.
D. Gmail is a good mail service without any ads.
A．College enrollment increases its coverage.B．Top universities become increasingly com
A. College enrollment increases its coverage.
B. Top universities become increasingly competitive.
C. Universities become selective in student admission.
D. Colleges invest less in academy and infrastructure.
A．They are offering lower tuition discounts.B．They don't practice merit-based financia
A. They are offering lower tuition discounts.
B. They don't practice merit-based financial aid.
C. They offer discounts only to those really lucky.
D. They match financial-aid packages to students.
According to Para. 4, we can safely draw the conclusion that ______.
A. it is totally impossible to lose weight by activating brown fat
B. our brown fat will be more active if we go to the North Pole
C. brown fat can surely make you thinner than before
D. to keep fit, an average person should eat 50g brown fat
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