上海松江区政府采购网:newspaper是可数名词吗?

当然

是的.
n. 报纸

Examples:
1. I learned this piece of news from the newspaper this morning.
我是今天早晨从报纸上知道这条消息的。
2. We have subscribed to an evening newspaper.
我们已经订阅了一份晚报。
3. His name leapt out at me from the newspaper.
报纸上他的名字一下字跳入我的眼帘。
4. Only when he read the newspaper did he know the story.
他看了报纸后才知道那则报导。
5. She sued a newspaper for libel.
她控告某报刊登诽谤性文字。
6. I learned this news from the newspaper.
我从报纸上得知这个消息。
7. The value of most newspaper writing is only fugitive.
大多新闻报道的价值都不长久。
8. He unfurled the newspaper and began to read.
他展开报纸开始阅读。

当然可数！

newspaper
KK: []
DJ: []
n.
1. 报纸,报[C]
I read about the writer's suicide in an evening newspaper.
我是从一份晚报上读到关于那位作家自杀的消息的。
2. 报社[C]
She works for a newspaper.
她为一家报社工作。
3. 新闻用纸,白报纸[U]
vi.
1. 从事报业(指办报,编辑,采访等)
In Norway Willy supported himself by newspapering.
威利在挪威以办报为生。

不是

不可数