皮皮学，免费搜题
登录
搜题
【单选题】
重力性休克引起晕厥的主要机理是A.
胸内压增加使腔静脉回流减少
B.
下肢血管失去肌肉收缩挤压作用，及血液重力作用，使血液大量积聚下肢回心血量减少
C.
植物神经功能失调，血液重新分布的能力下降，直立时血压显著下降致脑供血不足
D.
神经反射使血管紧张度降低，周围血管扩张致血压下降，脑供血不足
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】By using a check card, a consumer receives credit as well as a monthly bill when a buying is done.
【单选题】What would be an outcome if a person had a defect in which the metabolites of ethanol could not enter the mitochondria?
A.
Acetate would accumulate, which is toxic.
B.
Acetaldehyde would accumulate, which is toxic.
C.
Acetate would be activated by tissues to acetyl-Co
D.
Acetaldehyde would be activated by tissues to acetyl-Co
E.
The MEOS would not function.
【简答题】A. 非水溶液滴定法 B. 碘量法 C. 高效液相色谱法 法 D. 紫外分光光度法 E. 气相色谱法 维生素 A 的含量测定方法是 _____ 。 维生素 B 1 原料药 的含量测定方法是 _____ 。 维生素 AD 软胶囊 的含量测定方法是 _____ 。 维生素 C 原料药 的含量测定方法是 _____ 。 维生素 E 原料药 的含量测定方法是 _____ 。
【单选题】How do most buyers feel when they are buying fakes?
A.
Most of them know that buying fakes can be a criminal offence.
B.
Most of them view buying fakes as a bit of harmless fun.
C.
Most of them care that they are fakes.
【简答题】What is the most important factor to consider when buying an MP3 Player? _________________________________.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
