M胆碱受体激动药的作用包括（） A.减慢心率 B.舒张血管 C.腺_爱下问搜题

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问题多项选择题 X型题

M胆碱受体激动药的作用包括（）

A.减慢心率

B.舒张血管

C.腺体分泌增加

D.瞳孔缩小

E.胃肠平滑肌收缩

答案

参考答案：A, B, C, D, E

完形填空

完形填空。

     I work in a small shop. It's near a    1  . Every day students come to   2   things.
    In the   3   , I get up (起床) at five. And then I have breakfast. I get to (到达)the   4   at about six.
The shop opens at seven.We sell things like food   5   drink. We have school things,    6  , so there   7 _
often many students in our shop   8  morning to evening.
     I have   9 _ in the shop. At seven in the evening the shop is closed. We go home   10 supper.

( )1. A. farm
( )2. A. buy
( )3. A. evening
( )4. A. classroom
( )5. A. with
( )6. A. too
( )7. A. have
( )8. A. in
( )9. A. supper
( )10. A. to

B. school
B. sell
B. afternoon
B. school
B. and
B. also
B. are
B. on
B. breakfast
B. for

C. factory
C. take
C. night
C. shop
C. but
C. or
C. see
C. at
C. tea
C. with

D. river
D. want
D. morning
D. room
D. also
D. but
D. come
D. from
D. lunch
D. at

解答题

科学家为了解部分内分泌腺的作用，用四只幼年小白鼠进行了下列实验：

	实验方法	实验结果
小白鼠甲	不做任何处理	正常生长发育
小白鼠乙	切除内分泌腺A	①正常生长发育停滞 ②智力减退，精神不振 ③怕冷，水肿
小白鼠丙	切除内分泌腺B	血糖浓度升高，出现糖尿

（1）小白鼠甲在实验中的作用是______；

（2）小白鼠乙被切除的内分泌腺A是______，分泌的激素是______；小白鼠丙被切除的内分泌腺B是______，分泌的激素是______

（3）小白鼠乙切除内分泌腺A后，表现出了多种症状，由此判断该腺体分泌的激素具有______、______、______的作用．

（4）这些腺体分泌的激素可进入细胞周围的______，随血液循环送到全身．