信息技术教育资源不包括哪项()
A.教育环境资源
B.教育人力资源
C.教育信息资源
D.教育管理资源
参考答案:D
根据情景选择合适的句子。
1. 你到水果店里去买水果,想知道有没有香蕉,可以问:[ ]
A. How much are they?
B. Do you have any bananas?
2. 想知道梨卖多少钱,可以说:[ ]
A. Two yuan.
B. How much are the pears?
3. 觉得西瓜的价钱有点贵,可以说: [ ]
A. That's expensive.
B. I'll take two, please.
4. 想知道这些铅笔是在廉价出售的吗,可以问:[ ]
A. How much is this?
B. Are the pencils on sale?
物空间数值孔径