CNN news 2009-10-20 加文本

1.Iranian officials are linking the US and Pakistan to a group that carried out a suicide attack.

carry out执行; 贯彻

例句：He carried out the plan in very detail.
      他一丝不苟地执行那项计划。

      If you make a promise, it should be carried out.
      你许了诺言, 就一定要兑现。

进行

例句：They also carry out experiments.
       他们还进行实验。

2.The Larimer County Sheriff says that the entire incident was a publicity stunt,and the parents denied the balloon-flight was a hoax, but they could face a series of felony charges including conspiracy, contributing to the delinquency of a minor and attempting to influence a public servant.

contribute to促成

例句：Smoking is a major factor contributing to cancer.
      吸烟是致癌的一个重要因素。