93、Import restrictions are put on live birds to ____.<br>A . save the poultry industry<br>B . stop the spread of bird flu among farm flocks<br>C. destroy all the live birds<br>D. pick out the healthy birds from the infected ones

93、Import restrictions are put on live birds to ____.
A . save the poultry industry
B . stop the spread of bird flu among farm flocks
C. destroy all the live birds
D. pick out the healthy birds from the infected ones

出自：伊犁师范大学-大学英语二

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