“江南好，风景旧曾谙。日出江花红胜火，春来江水绿如蓝。”江南地区得到开发的表现包括（   ）
①修建水利工程，荒地变良田②种植水稻用绿肥③牛耕和粪肥得到推广④稻麦间种

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                                                                                                  管仲、隰朋从桓公伐^①孤竹^②
        管仲、隰（xí）朋从桓公伐孤竹，春往而冬反，迷惑失道。管仲曰：“老马之智可用也。”乃放老马而随之，遂得道。行山中无水，隰朋曰：“蚁冬居山之阳^③，夏居山之阴^④，蚁壤一寸而仞^⑤有水。”乃掘地，遂得水。以管仲之圣、隰朋之智，至其所不知，不难师^⑥于老马与蚁。今人不知以其愚心师圣人之智，不亦过乎！
      【注释】①伐：讨伐  ②孤竹：国名  ③阳：山的南面为阳  ④阴：山的北面为阴  ⑤仞：挖一仞深  ⑥师：向……学习

Characters: Peppa, George, Mummy Pig, Daddy Pig

Setting: Mummy Pig is working on her computer. Daddy Pig is making soup for lunch.

Peppa: Daddy? Can we go and watch mummy on her computer?

Daddy Pig: Yes, as long as you don't disturb her. She has a lot of important work to do today.

Peppa: Thank you, Daddy!

Peppa: (Peppa and George run into mummy's room.) Mummy. Can George and I sit on your legs and watch you work?

Mummy Pig: Yes, if you both sit quietly.

Peppa: (Peppa and George watch mummy work on the computer for a while.) Mummy? Can we play that computer game Happy Mrs. Chicken?

Mummy Pig: We can play Happy Mrs. Chicken later. But now I have to work.

Peppa: Mummy? Can we help you work?

Mummy Pig: No, Peppa! You mustn't touch the computer. And George, you mustn't touch the computer, either.

Peppa: Yes, George. You mustn't do this (Peppa began to knock on the keyboard).

Mummy Pig: Peppa, stop!

Peppa: Sorry, Mummy. I was just showing George what not to do.

Mummy Pig: Oh, dear. The computer doesn't work!