What can we infer from Paragraph 3 and 4？
A. There are serious defects in the mechanism of American social security.
B. The government and enterprises provide benefits for married people to boost marriage rate.
C. Marital status is often one consideration of insurance companies when they are determining the insurance premium.
D. Enterprises always put the interest of most people at stake in order to satisfy its own" interest.
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Which of the following statements is true according to last two paragraphs？
A. Manufacturing sector doesn"t get as much return from scientific research as it deserves.
B. Most of multinational companies" initiatives in R. & D. nowadays are based in emerging countries.
C. Preferential tax code gives an effective incentive for companies to conduct R. & D.
D. President Obama, realizing the innovative capacity of manufacturing, has issued a series of R. & D. tax credits.
It can be inferred from Paragraph 5 that______.
A. being addictive is the common characteristic of all forms of pastimes
B. to get youngsters hooked is not the original intention of game developers
C. players usually find it hard to resist games because they are physically dependent on games
D. video games should not be banned by the law just because they are addictive
In order to reduce the cost, American universities have to______.
A. say no to more applications from high school graduates
B. focus on the essential and discard the irrelevant
C. make a budget that caters to the interest of most people
D. give priority to teachers" rather than students" needs
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