皮皮学，免费搜题
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【单选题】
对21-三体综合征的描述不正确的是A.
特殊面容,智力低下
B.
智力正常,骨龄落后
C.
体格发育迟缓
D.
染色体畸形
E.
手纹可有改变
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】若 ,则
【单选题】Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper.(71)printer is also a n0nimpact printer in which the characters ...
A.
Hot
B.
Warm
C.
Heat
D.
Thermal
【单选题】Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper.(71) printer is also a nonimpact printer in which the characters...
A.
Hot
B.
Warm
C.
Heat
D.
Thermal
【简答题】测试练习题3.doc
【简答题】通知练习题3.doc
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