第6题: [单项选择]颞下颌关节紊乱病与耳源性疾病鉴别的主要依据是 A. 耳源性疾病不会引起颞下颌关节区疼痛 B. 一些耳源性疾病常可放射到关节区疼痛,但不影响开口和咀嚼 C. 一些耳源性疾病常可放射到关节区疼痛并影响开口和咀嚼 D. 耳科检查可鉴别 E. 颞下颌关节紊乱病不会出现耳闷、听力下降、耳鸣等耳症 参考答案:D
A. Free primary and secondary education B. Free health care C. Free social services D. Free tour to foreign countries 参考答案:D 答案解析:[试题分析] 本题应该根据课文内容采用排除法来解答。 [详细解答] “It has free primary and secondary education,free health care a