导入做好的java项目出现下面的错误The project cannot be built until build path errors are resolved

导入做好的java项目出现下面的错误The project cannot be built until build path errors are resolved
我将一本J2EE书送的光盘里的一个项目拷到myeclipse,但是出现下面一些错误,
The project cannot be built until build path errors are resolved
Project 'newsRelease' is missing required library:'E:\tomcat\apache-tomcat-5.5.27\lib\annotations-api.jar'
Project 'newsRelease' is missing required library:'E:\tomcat\apache-tomcat-5.5.27\lib\el-api.jar'
Project 'newsRelease' is missing required library:'E:\tomcat\apache-tomcat-5.5.27\lib\jasper.jar'
Project 'newsRelease' is missing required library:'E:\tomcat\apache-tomcat-5.5.27\lib\jsp-api.jar'
Project 'newsRelease' is missing required library:'E:\tomcat\apache-tomcat-5.5.27\lib\servlet-api.jar'