Peter woke up early in the morning. He went downstairs in a hurry and started to have his breakfast as quickly as possible.
“Why are you in such a hurry, early bird?” Mum asked him. “We will have an English spelling test today, Mum”, Peter said, “Mr. White promised to offer prizes to those who get 100 scores. I’ve been studying the word list since last week. Although the words are difficult, I am well prepared for them.”
Peter reviewed the spelling of each word once more carefully when dad drove him to school. At last, it was time for the students to have a test. “Responsibility,” Mr. White started. Peter wrote it on his test paper quickly and confidently.
“The second word: literature,” Mr. White said.
“So easy,” Peter thought. He quickly wrote the word down.
Thirty words later, the test papers were collected by Mr. White. “I am to mark(评分) your papers now,” he told the class. After marking the test papers, Mr. White said, “Three of you won a prize today for excellent test scores. Peter, David and Mary got full marks on the spelling test!”
Mr. White praised them. Meanwhile, he gave the three students each a dictionary. Peter’s was an English-Chinese dictionary—the one he liked best. Peter was so excited that he held it high when his classmates cheered. “This is my happiest moment”, Peter thought.
After Mr. White gave the test paper back, Peter had a look at the words, feeling proud of his spelling. All of a sudden, the word “literature” confused him. It didn’t seem right. Peter began to compare them after taking out the word list. “L-I-T-E-R-A-T-R-U-E”, he whispered. He spelled it wrong.
Paragraph 1. “What should I do?” Peter said to himself.___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Paragraph 2. Slowly, Peter raised his hand.
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同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

