单项选择题
下面哪项是慢回弹泡棉耳塞佩戴合格的表现（）
单项选择题 Which is the largest and most complete ancient building complex on Mount Tai?
单项选择题 哪个选项不是听力损失的表现（）
判断题 The US entered the Second World War when Japan attacked the American military base at Pearl Harbor on December 7, 1941.
