教师通过展示实物、直观教具、进行示范实验，指导学生获取知识的方法是( )A．练习法

读一读，根据短文选择答案。

      Today is Sunday. My father and my mother don't go to work. They come to the zoo with me.

      We see many animals. Look, birds have beautiful feathers, the elephant has a long trunk, tigers have many

black stripes. Monkeys are playing on the hill. The monkeys are very funny (有趣). We look at them and they

look at us. We give them some bananas, they are happy, and we are happy, too.

1. Today is ___________.

A. Saturday

B. Sunday

C. Monday

2. ___________ have beautiful feathers.

A. Birds

B. Tigers

C. Monkeys

3. ___________ have many black stripes.

A. Birds

B. Tigers

C. Monkeys

4. Monkeys are ___________, and we are ___________, too.

A. sad; happy

B. happy; sad

C. happy; happy

“实施教育培训”是( )步骤的活动内容。

A．拟定对策并实施

B．确认效果

C．防止再发生和标准化

D．总结

有程序：INTEGERB（3，3）DATAB／3*2，3*3，3*4／DO10I=1，310WRITE（*，‘（1X，3I2）’）（B（I，J），J=1，3）END此程序的运行结果是：（）

A.2；2；2；3；3；3；4；4；4

B.2；3；4；2；3；4；2；3；4

C.3；3；3；3；3；3；3；3；3

D.4；3；2；4；3；2；4；3；2

困扰我国北方农业生产的主要问题是[ ]

A．水土流失

B．梅雨和台风

C．酸雨低产田

D．风沙侵袭与旱涝灾害

关于牙的萌出描述，正确的是（）

A.牙冠形成后向面移动至达到功能位的过程

B.牙根形成至牙进入口腔

C.牙尖进入口腔到与对咬合时期

D.牙冠形成至牙尖进入到口腔

E.牙根形成至牙尖进入口腔到功能位