我们都知道语法词汇的重要性，这就需要同学们平时多加训练，环球博海小编特整理了2013年英语四级语法词汇强化习题(7) ，希望能够帮助到大家!

　　51. At this moment, they are still __________ with many economic problems.

　　A. centered B. believed C. referred D. confronted

　　52. The conference was ____________ by one hundred experts in this field.

　　A. announced B. declined C. attended D. planned

　　53. It is believed that _______ spending will certainly lead to the bankrupt.

　　A. natural B. mysterious C. moist D. excessive

　　54. With a _________, he didn't care about what his friend said.

　　A. contempt B. motivation C. reception D. realization

　　55. The guests are often very well _________ by the host in that city.

　　A. recovered B. refreshed C. reassured D. entertained

　　56. The mediccal report confirms that the flu has __________ almost everyone in this area.

　　A. infected B. raised C. recommended D. insulated

　　57. From the passage we can ________ that this disease can be cured.

　　A. insult B. inspire C. refuse D. infer

　　58. As the price keeps going up, _______ has turn into double figures.

　　A. recreation B. inflation C. refuge D. reduction

　　59. The ______ of jet travel has made the world seem smaller.

　　A. remark B. relationship C. removal D. innovation

　　60. The factors which would influence the learning will _____ with each other.

　　A. interact B. install C. innovate D. intend