如图是反射弧的结构示意图,有关叙述错误的是( ) A.①是效应器,⑤是感受器 B

题型:选择题

问题:

如图是反射弧的结构示意图,有关叙述错误的是(  )

A.①是效应器,⑤是感受器

B.若“2”损伤反射不能完成

C.人在睡着时,一旦有蚊子叮咬也会拍打,这是简单的反射,这是由脊髓控制完成的

D.情绪激动时,在神经系统的调节下,肾上腺素通过血液循环也参与了调节人体的生命活动

考点:反射
题型:选择题

选句子完成短文

     Now,everyone.1 want to tell you something about my school.    1   It is on Coolidge Street near the center of town. It's between the bookshop and the bank.

     As you walk in the school, the first thing you see isthe library.  2  On the right, next to the library, you can see a gym. Sometimes we play volleyball there.

     I'm in Class 7 and our classroom is on the first floor,next to the computer room. Our teacher is called Ms Perry. Across from the computer room, you can see three science labs.    3    

     I go to school by bus.   4   His name is Henry. He is very nice to all the children.I have many friends at school and my aunt June works in the school, too. She is a maths teacher.

     I hope you can visit my school someday.

题型:选择题

具有补气养阴、清热生津功效的药物是()

A.人参

B.西洋参

C.党参

D.太子参

E.山药

题型:选择题

下列各组分子或离子互为等电子体的组是

A.CH4与NH3

B.CO与CN-

C.H2O与H2O2

D.CO2与N2O

题型:选择题

当等渗性缺水患者出现脉搏细速和血压下降等血容量不足的表现时,为尽快恢复血容量,可先快速滴注平衡盐溶液或等渗盐水(按体重60 kg计):()

A.1000 ml

B.2000 ml

C.3000 ml

D.4000 ml

题型:选择题

口腔溃疡同时伴有或交替出现眼、外阴及皮肤的病损()

A.轻型口疮

B.疱疹样口疮

C.腺周口疮

D.白塞综合征

E.疱疹性龈口炎

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