问题
单项选择题 A2型题
某地区居民多见甲状腺肥大,且该地区出现认知能力低下、呆小症、聋哑等症状的儿童,该地区居民有可能缺乏()
A.碘
B.硒
C.锌
D.钙
E.铁
答案
参考答案:A
解析:碘缺乏的典型症状是甲状腺肿所致的甲状腺肥大,另外,新生儿缺碘可损伤神经和肌肉,表现认知能力低下,严重可导致呆小症。
某地区居民多见甲状腺肥大,且该地区出现认知能力低下、呆小症、聋哑等症状的儿童,该地区居民有可能缺乏()
A.碘
B.硒
C.锌
D.钙
E.铁
参考答案:A
解析:碘缺乏的典型症状是甲状腺肿所致的甲状腺肥大,另外,新生儿缺碘可损伤神经和肌肉,表现认知能力低下,严重可导致呆小症。
根据对话内容,从方框内选择恰当的句子填入对话相应的空白处,使对话完整,合乎情景 (有两个多余选项)。 | |
A: Hi, Li Lei. Where did you go last month? B: Oh. I went to Guangzhou for vacation. A: (1)____________ B: That's great! (2)____________ A: (3)____________ Just for vacation? B: I went there to look for a job.I want to be a flight attendant. A: (4)____________ B: I'm not sure yet. I need to wait the decision from the company. If I want to get the job, I need to speak English Well. A: Oh, don't worry. (5)____________ I think you can get the job. B: Thank you. I hope so.
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