The three major causes for errors are: mother tongue interference,（）,and inappropriate teaching materials or methods.
防止来自内部网络的攻击，包括（） ["拒绝来自指定用户的邮件服务请求","强制实施SMTP认证","按照收信人数限制中继","实现SSLPOP和SSLSMTP以确认用户身份"]
德国作曲家（）集古典音乐精华之大成，被尊为“一代乐圣”。
Which of the following livestock has the biggest number in the UK?（） ["Beef cattle.","Dairy cattle","Chicken.","Sheep."]
衡量和判断政府行政管理优劣的综合指标是（）。 ["行政结果","行政效率","行政成本","行政效能"]
电影艺术的美学特性有哪些？
