问题 更新时间2023/4/3 12:59:00 In this introduction we have diagnosed some of the causes of the illness and, in the following chapters, we will draw attention to its various unpleasant ________.A、suggestionsB、statementsC、symptomsD、systems 答案 登录 注册 正确答案: C 出自:超星 >> 兰州工业学院大学英语3