Do you know where these verses come from?

1. After calling for a long time, he came out, still holding the pipa and half covering his face.

Bai Juyi's "Song of Everlasting Sorrow"

2. The bright moon of the Qin Dynasty was at the Pass of the Han Dynasty, and the people who had marched thousands of miles away had not yet returned. (Wang Changling: "Out of the Fortress")

3. Reciting poems and writing poems in the north window, ten thousand words are not worth a glass of water.

Li Bai's "Reply to the King Drinking Alone on the Twelve Cold Nights" < /p>

4. He fought for three thousand miles, and blocked a million divisions with one sword.

. . . . .

5. The war rages for three months, and a letter from home is worth ten thousand gold.

Du Fu's "Spring Outlook"

6. Steaming clouds and dreamy lakes shake Yueyang City. .

Meng Haoran's "Prime Minister Zhang Visits the Dongting"

7. If you want to cross the Yellow River, which is blocked by ice, you will have to climb the snow-covered mountains of Taihang.

Li Bai's "The Road Is Difficult" 》