在反射弧中，神经冲动的传导方向为（ ）。 A．效应器→传入神经→神经中枢→传出神

  Frank is my good friend. We are in the same class. He is fourteen, one year older than me. His parents are both teachers in No 7 Middle School. Frank studies hard. His English and math are very good. He often helps other students with their English and math. Our teachers like him very much.

We go to school together by bike in the morning. We have lunch at school. After school in the afternoon, we often play sports. We play soccer and baseball. In the evening, he does his homework at home. Sometimes he watches soccer games on TV. On Sundays, he goes out with his parents in his father’s car. They play in the park and do sports there. Sometimes my father takes me there, too. We play sports together. We have a good time.

小题1:Who is Frank? He is a _________.

A．teacher

B．soccer player

C．student

D．driver小题2:I’m ________ years old this year.

A．fourteen

B．thirteen

C．fifteen

D．sixteen小题3:Frank is good at __________.

A．math and Chinese

B．English and Chinese

C．math and English

D．music and Chinese小题4:Frank __________ at school.

A．has breakfast

B．has supper

C．has lunch

D．watches TV小题5:When does Frank do his homework?

A．In the evening

B．In the morning

C．In the afternoon

D．At noon.

不易嵌顿的腹外疝是

A．小儿脐疝

B．腹股沟直疝

C．切口疝

D．股疝

E．腹股沟斜疝

注射成型工艺条件包括哪些？简述温度、压力、周期与制品产量和质量的关系。

强迫障碍，是以反复出现强迫观念为基本特征的一类神经症性障碍。强迫观念是以刻板形式反复进入患者意识领域的思想、表象或意向。这些思想、表象或意向对患者来说，是没有现实意义的、不必要的或多余的；患者意识到这些都是他自己的思想，很想摆脱，但又无能为力，因而感到十分苦恼。

根据定义，以下可能属于“强迫障碍”的是：（）

A．张奶奶老是一个劲地叨念着：我儿子就要回来了

B．老李锁上门后又打开进去检查一遍再锁门……如此循环三次才放心离开

C．虽然已经打了三次电话了，赵某还是不放心，于是再一次拨通电话

D．明明已经确定带了那本书，小黄在路上还是忍不住检查好几回

胰腺能分泌胰液。胰液通过导管注入小肠，其中的消化酶用来消化食物。胰液的分泌是如何调节的呢？下图表示胰液分泌调节的部分过程。请回答下列问题：

胰腺中（）分泌的胰高血糖素，与肝细胞膜上的受体结合后调节糖代谢过程，这反映了细胞膜具有（）的功能。