皮皮学，免费搜题
登录
搜题
【单选题】
下列指标属于结构相对数的是A.
资金利润率
B.
2013年我国钢产量为美国的58.6%。
C.
工人出勤率
D.
2013年国民生产总值为2012年的103.9%
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
【判断题】The main vasoactive metabolites of coronary are adrenosine, lactate, and hypoxia.
A.
正确
B.
错误
【单选题】The renal pelvis is the
A.
capillaries that filter the blood
B.
upper part of the ureter
C.
minor calyx
D.
renal capsule
【单选题】The renal pelvis is
A.
A funnel-shaped tube, wide above and' narrow below
B.
Formed by the junction of two or three major renal calyces
C.
Situated partly inside the renal sinus
D.
Situated partly outside the renal sinus
E.
All the above are true
【单选题】the structure of maintaining the high osmolarity in the renal medulla is
A.
vasa recta
B.
proximal tubule
C.
distal convuluted tubule
D.
Henle's loop
E.
collect duct
【单选题】What are the functions of secondary metabolites?
A.
Used to attract animals to pollinate the plant and to disperse its seeds
B.
Protecting the plant from herbivores such as insects
C.
Used to derive medicine
D.
All of the above
【简答题】How does the author explain the unidirectional flow of metabolites?
相关题目：
参考解析：
知识点：
题目纠错 0
发布
