C.has fixed on D.is being fixed on

答案　D　[句意：全球的注意力都聚集在中国的"一带一路"倡议上，因为它对世界经济有很大的影响。attention与fix之间为被动关系，应用被动语态，故可排除A、C两项；再结合从句中的"has"可知，此处应用现在时态。]

5.As to cooperation，Chairman Xi Jinping stressed that we should replace the "winner-take-all"thought with an all-win ________.

A.debate B.issue

C.approach D.worry

答案　C　[句意：关于合作，习近平主席强调说我们应该用共赢的方法取代"赢者通吃"的思想。approach "方法，途径"，符合句意。debate "辩论"；issue "问题"；worry "担心"。]

6.Just a decade ago，only a handful of the Chinese could afford a trip abroad，but nowadays it has become a very ________ thing.

A.meaningful B.popular

答案　C　[句意：就在十年前，只有少数中国人能负担得起出国旅行，但现在出国旅行已经变成了一件很常见的事。根据句意以及"but"表示的转折关系可知，common "普遍的，常见的"符合语境。meaningful "有意义的"；popular "受欢迎的"；challenging "有挑战性的"。]

7.-The rent of our flat will see a 20% rise this year?

-Yes.That's ________ I have compromised with the flat owner.

A.what B.where

C.how D.when

答案　B　[句意：--今年我们公寓的租金将上涨20%？--是的。那是我与房主达成的妥协。根据句意可知，空格处用where引导表语从句；where意