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古诗文默写。

①将军百战死，____。（《木兰诗》）

②____，大庇天下寒士俱欢颜！（杜甫《茅屋为秋风所破歌》）

③予独爱莲之出淤泥而不染，____。（周敦颐《爱莲说》）

④____，甲光向日金鳞开。（李贺《雁门太守行》）

⑤四面边声连角起，千嶂里，____。（范仲淹《渔家傲•秋思》）

⑥____，江入大荒流。（李白《渡荆门送别》）

⑦学而不思则罔，____。（《论语•为政》）

    There once was a man who played the piano in a bar. He was a good pianist People went there just to hear him play.But one night,a customer____told him he didn't want to hear him just play any more.He was____to sing a song by the customer.

    “I don't sing,”the man said.The customer said to the boss;“I'm____of just listening to the piano .I want that guy to sing!”

    “Hey,buddy!”the boss ____across the room.“If you want to get paid,sing a song!The customer is asking you to sing!” And the other customers were ____to see what would happen.

    So he did.He sang a song.A____who never sang in public did so for the very first time. What's more,Nat King Cloe sang the song,Mona Lisa,in a very special way.That was the ____time the song ever sounded that.

    He was so talented!He could have lived the rest of his life as a no-name piano player in a no-name bar.But because that man made ____sing,he went on to become one of the best-known ____in America.

You,too,have talent and abilities.You may not feel as if your talent is great,but it may be ____than you think!

有一个标有“2.5V  0.3A”的小灯泡某同学计算出它的灯丝电阻是8.3Ω但用欧姆表（测量电阻的仪表）测得的结果是2.5Ω。关于这差异最合理的解释是：灯丝的电阻随____而改变。