给下列每组词语写一个总称。 1．白菜　冬瓜　西红柿　黄瓜　芹菜（　） 2．松树

小小翻译家，快来译一译。

1. 我爸爸在起居室里。

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2. 我有一个新家。

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3. 你在我房间里看到了什么？

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4. Are you a student?

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5. Where are my glasses?

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杜甫著名的“三别”中没有以下哪首诗？（）

A.《新婚别》

B.《垂老别》

C.《梦游天姥吟留别》

D.《无家别》

TCP/IP (21) layer protocols provide services to the application (22) running on a computer. The application layer does not define the application itself, but rather it defines
(23) that applications need — like the ability to transfer a file in the case of HTTP. In short, the application layer provides an (24) between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols, with HTTP being only one of those. The TCP/IP (25) layer consists of two main protocol options — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).

A. hardware B. software C. packetD. equipment

如果初步设计提出的总概算超过可行性研究报告总投资的( )以上，或者其他指标需要变更时，应重新向原审批单位报批。

A．10%

B．20%

C．30%

D．40%

低值易耗品作为固定资产的一种进行核算。