单项选择题

骨密度测定中T值为-2.4,其意义为( )
A、骨密度正常
B、可能存在骨质疏松情况
C、可能存在骨流失情况
D、严重骨质疏松

<上一题 目录 下一题>
热门 试题

单项选择题
霉菌在传统制醋工艺中起到的主要作用为
A.分解发酵原料中大分子物质
B.产生醋酸菌代谢底物——乙醇
C.发酵制备醋酸
D.赋予产品特殊香味物质
单项选择题
Please Listen to the following TED talk and answer the questions followed. (8分-8分29秒) To argue against the claim that the Sun is the main cause of climate change held by climate change deniers, the speaker argues the followings EXCEPT
A.The measured energy imbalance occurred during the deepest solar minimum in the record, when the Sun's energy reaching Earth was least
B.Yet, there was more energy coming in than going out
C.This shows that the effect of the Sun's variations on climate is overwhelmed by the increasing greenhouse gasses, mainly from burning fossil fuels
D.The deep ocean is also gaining heat at a smaller rate, and energy is going into the net melting of ice all around the planet
相关试题
  • To apply for a library card, what...
  • 以下属于称呼的原则的是( )。 A、礼貌...
  • 客服可以从客服行为标准里面了解工作上哪些...
  • β-内酰胺酶抑制剂有 A. 氨苄青霉素 B...
  • 在CSS盒子模型中,用来控制盒子的外边距的...