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【单选题】
已缴纳出口税的退关货物,可以在缴纳税款之日起()内,向海关申请退税。
A.
1月
B.
半年
C.
1年
D.
2年
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举一反三
【单选题】下列哪种激素是促进机体产热最重要的激素
A.
甲状腺激素
B.
肾上腺素
C.
去甲肾上腺素
D.
孕激素
E.
雌激素
【单选题】预应力损失根据预应力筋应力损失发生的时间可分为长期损失和( )损失。
A.
瞬间
B.
锚固
C.
孔道摩擦
D.
叠层摩阻
【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 sinus is
A.
the innermost layer of kidney tissue
B.
a conical structure located in the renal medulla
C.
an internal cavity lined by the fibrous capsule and located inside the hilum
D.
a large branch of the renal pelvis
【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
【判断题】Phytochemicals are plant secondary metabolites.
A.
正确
B.
错误
【单选题】预应力损失根据预应力筋应力损失发生的时间可分为长期损失和( )。
A.
瞬间损失
B.
锚固损失
C.
孔道摩擦损失
D.
叠层摩阻损失
【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?
【判断题】The renal hilus is the expanded part of the ureter within the kidney
A.
正确
B.
错误
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