皮皮学，免费搜题
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【单选题】
男孩,3岁。出生时正常,母乳喂养,5个月后智力渐落,皮肤色泽变浅,头发发黄,有时发生抽搐,临床上应首先考虑的诊断是:A.
21-三体综合征
B.
维生素D缺乏性手足搐搦症
C.
苯丙酮尿症
D.
先天性甲状腺功能减退
E.
癫痫
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】该病可能的治疗原则是(2011 真题下99)
A.
补肺益气,止咳定喘
B.
清心润肺,养胃生津
C.
疏风散热,宣肺通气
D.
宣肺散寒,祛痰止咳
E.
清肺化痰,止咳平喘
【单选题】The supervisor (was advised) to give the assignment to (whomever) (he believed) had a strong sense of responsibility, and the courage (of) his conviction.
A.
was advised
B.
whomever
C.
he believed
D.
of
【单选题】They continued to ______ about and enjoy themselves until they became tired.
A.
stroke
B.
stroll
C.
stammer
D.
string
【单选题】以下哪项措施不利于预防泌尿系感染
A.
婴儿应勤换尿布
B.
便后及时清洗
C.
根治蛲虫,去除尿道异物
D.
婴幼儿可穿开档裤,直至自己能够控制排尿
E.
减少导尿或泌尿道器械检查
【单选题】According to the Protein Hypothesis, which of the following observations provides the strongest evidence that genes are NOT composed of DNA ?
A.
DNA is composed of only 4 types of nucleotides.
B.
DNA is composed of smaller subunits than are proteins.
C.
DNA is abundant in both the nucleus and the cytoplasm.
D.
The concentration of DNA is generally consistent from cell to cell.
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