In the second paragraph, the author gives two examples of social problems to show that ______.
A: social problems are on the rise currently
B: the government does not try hard to solve such problems
C: some attacks on such problems are often blind
D: such problems often go unsolved
                    A: social problems are on the rise currently
B: the government does not try hard to solve such problems
C: some attacks on such problems are often blind
D: such problems often go unsolved
举一反三
- What are the two social problems in Silicon Valley?
 - There are many problems wait for people to solve and theses problems are tough. A: Many tough problems are waiting for people to solve. B: Many problems are waiting for people to solve and these problems are tough. C: Many problems which are tough are waiting for people to solve. D: Many problems are waiting for people to solve even though they are tough.
 - Jasmine often ________ the problems in the office.
 - None of these social problems are unique _____ this country.
 - The government is looking at ___________ . A: the problems of the disabled B: the disabled's problems
 
