回答问题：

1。小西每天上网多长时间？她在网上学什么？

2. 阳阳在网上做什么？每天用多少时间？

3. 小西的姐姐上网做什么？

4. 阳阳的妈妈上网做什么？

5. 小西的爸爸上网做什么？

6. 阳阳的奶奶会不会上网？

"上网" (shàngwǎng) and "网上" (wǎngshàng) are related to the internet but have different uses in Chinese.

1. "上网" (shàngwǎng): "To go online" or "to access the internet."

• Meaning: It is a verb, referring to the action of connecting to or using the internet.

• Usage: It describes the activity of using the internet for browsing, searching, or communicating.

  Example:

  • 中文: 我每天都上网查资料。
  • 英文: I go online every day to search for information.

  Sentence structure:

  • Subject + 上网 + (verb/action)
  • It can be followed by additional verbs to describe specific online actions.

2. "网上" (wǎngshàng): "On the internet" or "online."

• Meaning: It is an adjective or adverb, referring to something being on the internet or occurring online.

• Usage: It is used to describe things that exist or take place on the internet.

  Example:

  • 中文: 我在网上买了一本书。
  • 英文: I bought a book online.

  Sentence structure:

  • Subject + 在 + 网上 + (verb/object)
  • It typically follows "在" to describe where an action happens, i.e., "on the internet."

Summary

• "上网" is a verb meaning "to go online" or "to use the internet."
• "网上" is an adjective/adverb meaning "on the internet" or "online."

They are used differently depending on whether you are describing the action of using the internet (上网) or referring to something that exists or happens online (网上).