D． Monthly premieres．

49．If you're a member of Cambridge Arts Cinema，you will enjoy free _______ ．

A．Darkroom Gallery shows

B．mailed programmes

C．special film events

D．film shows

50．How long will the membership for Cambridge Arts Cinema last?

A．Four months．

B．Eight months．

C．Nine months．

D．One year．

51．For what purpose is the text written?

A．Offering students cheaper tickets．

B．Announcing the opening of a premiere．

C．Telling the public of the cinema's address．

D．Increasing the cinema's membership．

答案解读：本文为一则广告，意在吸引学生成为剑桥艺术影院的会员。文中介绍了该影院的一些信息、会员的待遇、申请的方式、会员的期限以及联系方式等。

48．A 细节理解题。根据文章第一段的第一句可知，该影院是剑桥电影节的举办地。在四个选项中，剑桥电影节是该影院举办的最著名的活动，故选A。

49．B 细节理解题。根据表格中 What you get as member部分的第三条可知，作为会员，你可以拥有免费为你邮寄的电影节目单，因此B项正确。

50．C 细节理解题。根据表格中的"your card can be used from lst October 2011 to 30th June 2012"可知，会员期限为9个月。

51．D 写作意图题。本文为一则广告，主要是吸引学生成为剑桥艺术影院的会员，因此D项正确。

B

Ever since they were first put on the market in the early 1990s，genetically modified (GM，转基因) foods have been increasingly developed and marketed in many countries in the world， mainly on the basis of their promise to end the worldwide food crisis．But can GM technology solve world hunger problems? Even if it would，is it the best solution ?

Despite what it promises，GM technology actually has not increased the production potential (潜力) of any crop． In fact，studies show that the most widely grown GM crop， GM soybeans， has suffered reduced productivity．For instance，a report that analyzed nearly two decades of research on major GM food crops shows that GM engineering has failed to significantly increase US crop production．

Something else，however，has been on the rise．While GM seeds are expensive，GM companies tell farmers that they will make good profits by saving money on pesticides (条虫剂)．On the contrary，US government data show that GM crops in the US have produced an overall increase in pesticide use compared to traditional crops．"The promise was that you could use less chemicals and boost production．But