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【单选题】
砒霜(砷化物)中毒导致缺氧的机制是A.
ATP减少
B.
线粒体损伤
C.
形成高铁血红蛋白
D.
抑制细胞色素氧化酶
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举一反三
【单选题】What are the two purposes of the healthy plant-based diet?
A.
To ease the problem of childhood obesity and reduce the price of meat.
B.
To help children to lose weight and increase the meat supply.
C.
To help conserve resources such as land and freshwater and grow more vegetables.
D.
To help overweight children to lose weight and reduce the environment impact of intensive livestock farming.
【简答题】左心室内可见哪些结钧？
【单选题】婴儿最早的动作发生在头部,其次是躯体,最后下肢,其发展顺序是
A.
抬头 - 翻身 - 坐 - 爬 - 站立 - 行走
B.
抬头 - 翻身 - 爬 - 坐 - 站立 - 行走
C.
抬头 - 坐 - 翻身 - 爬 - 站立 - 行走
D.
抬头 - 爬 - 翻身 - 坐 - 站立 - 行走
【单选题】Based on purposes, research methods can be classified into the following categories except for:
A.
basic research
B.
statistical research
C.
applied research
【单选题】Based on purposes, research methods can be classified into the following categories except for:
A.
basic research
B.
statistical research
C.
applied research
D.
developmental research
【单选题】婴儿最早的动作发生在头部,其次是躯干,最后是下肢。其发展顺序是 ( )
A.
抬头 —翻身—爬—坐—站立—行走
B.
抬头 —坐—翻身—爬—站立—行走
C.
抬头 —翻身—坐—站立—爬—行走
D.
抬头 —翻身—坐—爬—站立—行走
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