题目

With people drinking once a day, can heart attacks be kept away? Over the past decades, numerous studies have found that moderate alcohol consumption, say, one or two beers, glasses of wine or cocktails daily helps to prevent coronary(冠状动脉) heart disease. Last week a report in the New England Journal of Medicine added strong new evidence in support of that theory. More important, the work provided the first solid indication of how alcohol works to protect the heart. In the study, researchers from Boston’s Brigham and Women’s Hospital and Harvard Medical School compared the d同义句转换。 1. Why didn't you get him to repair your shoes?     Why didn't you ______ your shoes ______?2. He didn't dare to get close to the mad dog.     He ______ get close to the mad dog. 3. In the past years, we have experienced too many hardships, including earthquakes,    floods, droughts, as well as mine disasters.     In the past years, we have ______ ______ too many hardships, including earthquakes,     floods, droughts, as well as mine disasters. 4. You needn't tell him the news. He has known it.     You ______ ______ ______ ______ tell him the news. He has known it. 5. Jack is very interested in football.     Jack is ______ ______ football.