What does the author mainly talk about in the last paragraph?

A . here is still a long way to go for economists to genuinely contribute to global health. B . Economists＇ role in global health is, to a large extent, negative C . Economists increased the inequality of resource allocations in global health D . Economics is only one science among many that policy makers have to take into account in providing health care programs

A.Enrich your experiences by sharing them online. B.Make efforts to make your life attractive to others. C.Stop externalizing your personal experience. D.Record the details of what you see, smell and hear.

A.It lowers divorce rates to some extent. B.It results in greater tendency of single mothers. C.It is mainly due to the issue of raising children. D.It provokes economic and social concerns.

A．You should not learn grammar only. B．You should ignore the rules of pronunciation. C．You should learn a language by making mistakes. D．You should learn a language at school.

A．Monarchs did not allow the people to vote in democratic elections B．Monarchs did not have real power but were symbols of national unity C．The monarch in most countries was a king rather than a queen D．Monarchs were responsible for starting many popular revolutions

A．How to avoid car crash. B．How to educate children properly. C．How to design safer baby equipment. D．How to properly secure children in the car.

A.It has pleasant weather all year round． B.It produces wealth as well as high-tech． C.It is not likely to attract lots of investors and nerds． D.It is an old city with many sites of historical interest．

A．Wireless recharging is too wonderful to be true. B．Wireless recharging is consistent with the laws of nature. C．Wireless recharging will definitely come true finally. D．Wireless recharging will surely enter the mainstream in the end.

A．Dressing for work． B．Working with colleagues at the office C．Sleeping normal hours． D．All the above

A．A.To illustrate we should commit ourselves and start acting B．B.To illustrate our dreams don’t have to be grand to be great C．C.To illustrate her dream was to be the friendliest and most helpful salesperson D．D.To illustrate we all have the power to follow a dream

A. It is different for male and female students. B. It is not the same as that of earlier generations. C. It is more exhausting than most women expect. D. It is not so satisfying to many American students.