女性,50岁,颈前弥漫性肿大,不伴其他症状10年,近年来感心悸、多食、易怒,颈前可扪及数个结节,随吞咽上下活动,应考虑为
A. 甲状腺胶样囊肿
B. 结节性毒性甲状腺肿
C. 弥漫性毒性甲状腺肿
D. 甲状腺癌
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Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. What are speakers mainly discussing
A. The effect of the atmosphere on rainfall.
B. How conditions on Earth support life.
C. How water originated on Earth.
D. A new estimate of the age of Earth.
女,25岁,2周来发热,四肢关节酸痛,无皮疹,胸透示两侧少量胸腔积液,体检:体温 39℃,心率120次/分,两下肺叩诊浊音,呼吸音降低,肝脾未触及,两手掌指关节及膝关节轻度肿胀,血红蛋白100g/L,白细胞3×109/L,血小板50×109/L,尿常规蛋白1g/L。 根据以上病史还需作进一步检查,下列检查中,你认为对诊断最为关键的是
A. 类风湿因子
B. 抗核抗体谱检查
C. 血免疫球蛋白+补体
D. C反应蛋白
已知汉字“大”的区位码是2083,在PC机中其内码的十六进制表示是______。
Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. Now listen to the conversation. What did recent photographs from a space satellite indicate
A. The surface of the ocean is expanding.
B. Volcanic activity is increasing.
C. The surface of Earth contains tons of cosmic dust.
D. Thousands of comets are colliding with Earth’s atmosphere.