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【单选题】
用( )表示自变量与因变量线性相关关系的大小。
A.
相关系数
B.
跨越期系数
C.
平滑指数
D.
相对数
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【单选题】Which of the following functions of the Sertoli cells mediates negative feedback control of follicle-stimulating hormone (FSH) secretion?
A.
Synthesis of inhibin
B.
Synthesis of testosterone
C.
Aromatization of testosterone
D.
Maintenance of the blood-testes barrier
E.
Phagocytize defective sperm
查看完整题目与答案
【单选题】Which of the following would be mostlikely to occur in an adult male whose Sertoli cells have begun to produce excessive amounts of inhibin?
A.
FSH secretion would be selectively inhibited, but LH secretion would be normal
B.
Spermatogenesis would be increased but testosterone secretion would be normal.
C.
Spermatogenesis would be increased because testosterone production would be above normal.
D.
Gonadotropin releasing hormone levels and spermatogenesis would increase above normal
E.
Both FSH and LH secretion would rise above normal levels.
查看完整题目与答案
【单选题】Two days before the onset of menstruation, secretions of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) reach their lowest levels. What is the cause of this low level of secretion?
A.
The anterior pituitary gland becomes unresponsive to the stimulatory effect of gonadotropinreleasing hormone (GnRH)
B.
Estrogen from the developing follicles exerts a feedback inhibition on the hypothalamus
C.
The rise in body temperature inhibits hypothalamic release of GnRH
D.
Secretion of estrogen, progesterone, and inhibin by the corpus luteum suppresses hypothalamic secretion of GnRH and pituitary secretion of FSH
查看完整题目与答案
【单选题】）就是当顾客提前付清购买商品时的款项时，供货方能给与顾客的一种折扣
A.
A数量折扣
B.
B现金折扣
C.
C竞争折扣
D.
D以旧换新
查看完整题目与答案
【单选题】导致急性心肌梗死患者发生心力衰竭的直接决定因素是( )
A.
心肌梗死的部位
B.
心肌广泛坏死，心排血量急剧下降
C.
伴发的心律失常
D.
心功能状态
E.
心脏大小
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【简答题】ICS是国际标准化组织编制的标准文献分类法，它主要用于国际标准、区域标准和国家标准以及相关标准化文献分类、编目、订购与建库，促进标准以及其他文献在世界范围内传播。
查看完整题目与答案
【判断题】ICS是国际标准化组织编制的标准文献分类法，它主要用于国际标准、区域标准和国家标准以及相关标准化文献分类、编目、订购与建库，促进标准以及其他文献在世界范围内传播。
A.
正确
B.
错误
查看完整题目与答案
【判断题】The hormone inhibin acts to decrease the production of FSH.
A.
正确
B.
错误
查看完整题目与答案
【多选题】下列民歌体裁中是蒙古族民歌的有?
A.
大歌
B.
长调
C.
短调
D.
小调
查看完整题目与答案
【简答题】导致急性心肌梗死患者发生心力衰竭的直接决定因素是（ ）
查看完整题目与答案
相关题目：
【单选题】Which of the following functions of the Sertoli cells mediates negative feedback control of follicle-stimulating hormone (FSH) secretion?
A.
Synthesis of inhibin
B.
Synthesis of testosterone
C.
Aromatization of testosterone
D.
Maintenance of the blood-testes barrier
E.
Phagocytize defective sperm
查看完整题目与答案
【单选题】Which of the following would be mostlikely to occur in an adult male whose Sertoli cells have begun to produce excessive amounts of inhibin?
A.
FSH secretion would be selectively inhibited, but LH secretion would be normal
B.
Spermatogenesis would be increased but testosterone secretion would be normal.
C.
Spermatogenesis would be increased because testosterone production would be above normal.
D.
Gonadotropin releasing hormone levels and spermatogenesis would increase above normal
E.
Both FSH and LH secretion would rise above normal levels.
查看完整题目与答案
【单选题】Two days before the onset of menstruation, secretions of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) reach their lowest levels. What is the cause of this low level of secretion?
A.
The anterior pituitary gland becomes unresponsive to the stimulatory effect of gonadotropinreleasing hormone (GnRH)
B.
Estrogen from the developing follicles exerts a feedback inhibition on the hypothalamus
C.
The rise in body temperature inhibits hypothalamic release of GnRH
D.
Secretion of estrogen, progesterone, and inhibin by the corpus luteum suppresses hypothalamic secretion of GnRH and pituitary secretion of FSH
查看完整题目与答案
【单选题】）就是当顾客提前付清购买商品时的款项时，供货方能给与顾客的一种折扣
A.
A数量折扣
B.
B现金折扣
C.
C竞争折扣
D.
D以旧换新
查看完整题目与答案
【单选题】导致急性心肌梗死患者发生心力衰竭的直接决定因素是( )
A.
心肌梗死的部位
B.
心肌广泛坏死，心排血量急剧下降
C.
伴发的心律失常
D.
心功能状态
E.
心脏大小
查看完整题目与答案
【简答题】ICS是国际标准化组织编制的标准文献分类法，它主要用于国际标准、区域标准和国家标准以及相关标准化文献分类、编目、订购与建库，促进标准以及其他文献在世界范围内传播。
查看完整题目与答案
【判断题】ICS是国际标准化组织编制的标准文献分类法，它主要用于国际标准、区域标准和国家标准以及相关标准化文献分类、编目、订购与建库，促进标准以及其他文献在世界范围内传播。
A.
正确
B.
错误
查看完整题目与答案
【判断题】The hormone inhibin acts to decrease the production of FSH.
A.
正确
B.
错误
查看完整题目与答案
【多选题】下列民歌体裁中是蒙古族民歌的有?
A.
大歌
B.
长调
C.
短调
D.
小调
查看完整题目与答案
【简答题】导致急性心肌梗死患者发生心力衰竭的直接决定因素是（ ）
查看完整题目与答案