问题 单项选择题 A1型题

有关甲状腺功能的描述错误的是 ()

A.甲状腺的功能受下丘脑分泌的促甲状腺激素的调节和控制

B.甲状腺激素的作用是促进机体的新陈代谢,维持机体的正常生长发育

C.对骨骼和神经系统的发育影响更大,故甲状腺功能低下或亢进时,均可导致机体的生长发育异常

D.位于甲状腺滤泡细胞与滤泡基膜之间的细胞称为C细胞或滤泡旁细胞,它分泌降钙素(一种多肽激素),有抑制破骨细胞溶解骨质及减少钙从骨转移入血、调节血钙水平的作用

E.降钙素作为神经介质之一,对垂体有调节和兴奋作用

答案

参考答案:A

解析:甲状腺的功能受神经和下丘脑分泌的促甲状腺激素释放激素(TRH)、垂体前叶分泌的促甲状腺激素(TSH)的调节和控制,循环血液中甲状腺激素的浓度又可通过反馈作用调节TRH和TSH的释放以及甲状腺对TSH的反应。

完形填空

(共5小题;每小题2分,满分10分)

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

All over the world people enjoy sports. Sports help to keep people healthy and happy, and to live longer.

71. They buy tickets or turn on their TVs to watch the games. Often they get very excited when their player or team wins.

72  . Football, for example, has spread around the world. Swimming is popular in all countries near the sea or in those with many rivers. What fun it is to jump into a pool or lake, whether in China, Egypt or Italy! 73 . Think how many lovers to skate or ski in Japan, Norway or Canada.

Some sports or games go back thousands of years, like running or jumping. Chinese Wushu, for example, has a very long history. But basketball and volleyball are rather new. Neither one is a hundred years old yet. 74 . Water—skiing is one of the newest in the family of sports.

People from different countries may not be able to understand each other, but after a game together they often become good friends.  75 . One learns to fight hard but fight fair, to win without pride and to lose with grace. (胜不骄,败不馁)

A.And think of people in cold countries.

B.Sports help to train a person’s character.

C.Not a few people like sports in the world.

D.Many people like to watch others play games.E. People aren’t inventing new sports or games.

F. Some sports are so interesting that people everywhere take part in them.

G. People are inventing new sports or games all the time.

单项选择题