B.Because the birthrate around the world was unexpectedly low then.

C.Because a special child did make a difference to an ordinary family.

D.Because his fellow scientist wanted to give hope to the unlucky couples.

4.What might be the best title for the passage?

A.Life Stories of Robert Edwards

B.Preparations for Having a Baby

C.Nobel Prize for IVF Expert Edwards

D.Treatment of Infertility in a Lab

Ⅱ.任务型阅读

(2017·苏北四市质检)

The GREATEST Journey

　　I had lunch last week with a high­ranking business woman for a fortune 500 company.I asked her what tips she would give to someone early in their career.Without hesitation she jumped right into four keys to her professional climb：

　　Know your business.Never get satisfaction with your industry or your position.In most cases，the knowledge you hold now is not good enough to stand the test of time.Thus，you must keep working to stay on top of what's new and what's coming down the pipeline.This is what really counts，especially early in a professional career，as many entry­level associates are content to be gainfully employed.

　　Pick careers with care.Again，early in your career it is easy to run after the job that offers the most money.In the case of a life­long career money cannot answer all things.If you are going to be an entrepreneur then you'll probably start with a budget of zero.Yet，if you have the discipline，working for yourself could be the best choice you've ever made.

　　If you are going to work for a company you have to do your homework.If you find a company that consists with your values and produces a product that you 100% believe in，then you'll have an easy time giving that organization your all.

　　Be personable.If everyone hates to be around you at the office，it's time to check your attitude.We've all heard at least one anecdote about a great thinker with great skills who drove coworkers crazy.Someway，somehow many of the brightest and best lack the "people skills" to advance beyond an entry­level position.

　　In short，you must have the interpersonal insight to interact with internal and external contacts.If not，you may find that you are unimportant once someone with soft­skills joins the organization.Why？People have to buy you before they ever buy the product you're selling.

　　Be willing to move.This is where I got puzzled.She shared how she lived in seven states still working for the same organization.

Much is made of moving in today's attempts to climb the corporate ladder.As more and