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　　AS the industry advances ,however,other suits may have an even greater impact.companies are unlikely to file many more patents for human DNA molecules-most are already patented or in the public domain .firms are now studying how genes intcract,looking for correlations that might be used to determine the causes of disease or predict a drug’s efficacy,companies are eager to win patents for ‘connecting the dits’,expaains hans sauer,alawyer for the BIO。

　　Their success may be determined by a suit related to this issue, brought by the Mayo Clinic, which the Supreme Court will hear in its next term. The BIO rtcently held a convention which included seddions to coach lawyers on the shifting landscape for patents. Each meeting was packed。

　　31.it canbe learned from paragraph I that the biotech companies would like-----

　　A.their executives to be active

　　B.judges to rule out gene patenting

　　C.genes to be patcntablc

　　D.the BIO to issue a warning

　　32.those who are against gene patents believe that----

　　A.genetic tests are not reliable

　　B.only man-made products are patentable

　　C.patents on genes depend much on innovatiaon

　　D.courts should restrict access to gene tic tests

　　33.according to hans sauer ,companies are eager to win patents for----

　　A.establishing disease comelations

　　B.discovering gene interactions

　　C.drawing pictures of genes

　　D.identifying human DNA

　　34.By saying “each meeting was packed”(line4,para6)the author means that -----

　　A.the supreme court was authoritative

　　B.the BIO was a powerful organization

　　C.gene patenting was a great concern

　　D.lawyers were keen to attend conventiongs

　　35.generally speaking ,the author’s attitude toward gene patenting is----

　　A.critical

　　B.supportive

　　C.scornful

　　D.objective