第34题:[单选题]驱汞治疗的药物主要为 A. CaNa 2-EDTA B. 亚硝酸钠 C. Na 2S20 3 D. 二巯基丙磺酸钠 E. CaNa 3-DTPA 参考答案:D
第35题: [单项选择]老年痴呆症诊断中最早最突出的症状是() A. 外貌衰老 B. 情绪激惹 C. 步态蹒跚 D. 记忆障碍 E. 言语障碍 参考答案:D
第36题: [单项选择]I have steerage way. It is said that(). A. I am underway B. I am out of control C. I am not making way through the water D. I have the amount of movement forward which the ship needs to be steered properly 参考答案:D