开关柜在安装前应进行基础检查，其中槽钢基础水平度误差应＜（）。

任务型阅读。阅读短文，回答下列问题。

Dear Li Ming

     Thank you for your e-mail. I love autumn, too. In Canada, we have an autumn holiday called Thanks-

giving Day. Family members celebrate it together. I will go to my grandmother and grandfather's house.

My uncles, aunts and their children will be there, too.

     Canadian Thanksgiving Day is in early October. In the USA they celebrate Thanksgiving Day in late

November.

     Have a good time on your birthday, Li Ming! On my birthday, I have a cake with candles. Everyone

sings the song Happy Birthday. Then I blow out the candles! Will you have a cake for your birthday?

                                                                                                             Your friend

                                                                                                                         Jenny

1. Which season do Li Ming and Jenny like?

    __________________________________________________________

2. When do Americans celebrate Thanksgiving Day?

    __________________________________________________________

3. When is Canadian Thanksgiving Day?

    __________________________________________________________

4. Do Canadians usually stay together on Thanksgiving Day?

    __________________________________________________________

5. What will everyone sing for Jenny on her birthday?

    __________________________________________________________

教育要适应个体发展的规律，包括（）。

A．要适应人的身心发展的顺序性

B．要适应人的身心发展的阶段性

C．要适应人的身心发展的个别差异性

D．要适应人的身心发展的不平衡性

E．要适应教育环境的特点

吗啡类中毒，选用的解毒剂是（）

A．二巯丁二钠

B．亚甲蓝

C．氯解磷定

D．氟马西尼

E．盐酸纳洛酮

工程造价信息管理的基本原则不包括( )。

A．标准化原则
B．有效性原则
C．定性化原则
D．时效性原则

固定母线安装夹板时，必须有一个是铜的或钢的，不能全用（）的。

A.铝

B.铜

C.铁件部分

D.铝合金