搜题请搜索小程序“爱下问搜题”
问题 单项选择题

婴儿期( )。

A．以保暖喂养及预防感染为主
B．以喂养和预防感染为主
C．以营养预防意外预防感染和教养为主
D．以加强教育，增强体格锻炼为主
E．重视心理卫生教育，及时进行性知识教育

答案

参考答案：B

解析：[知识点] 婴儿期保健

阅读理解

Dear Alice,

How are you ? I’m in a new school this term . This school is big and nice . There are aout 1,400students in my school. I like the teachers. They are all kind tome . My classmates are polite and helpful. They teach me Chinese and I teach them English .

There are trees, flowers and grass in my school. it’s very beautiful. Behind my school , there’s a small river ,We often go fishing there .

We have no classes at weekends. Sometimes I go to play football or basketball with my classmates . Sometimes I stay at home and read some interesting books . Sometimes I go shopping with my parents . We all like C hina .

Please e-mail me soon.

Kate.

根据短文内容，判断句子正（T）误（F）

小题1:This is an e-mail from Kate and Alice.

小题2:Alice is in a new school this term.

小题3:Kate’s classmates teach her Chinese and English.

小题4:There’s a playground behind the school.

小题5:Kate has no classes on  Saturdays and Sundays
查看答案
单项选择题

在某相复励同步发电机的自励调压装置中，整流桥的交流测接有一呈△形连接的电容。该电容的作用是（）。

A．整流桥的阻容保护

B．补偿由于负载电流大小变化引起发电机端电压变化

C．补偿由于负载电流相位变化引起发电机端电压变化

D．起压
查看答案