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ptai29913
2 năm trước
Câu1: xét dấu biểu thức sau f(x) = 4x^2 +3x - 1
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Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions. 4. No one has seen Linda since the day of the party. A. Linda has not been seen since the day of the party. B. Linda is nowhere to be seen at the party. C. The party is going on without Linda. D. No one has seen Linda for ages. 5. He talked about nothing except the weather. A. He talked about everything including weather. B. His sole topic of conversation was the weather. C. He had nothing to say about the weather. D. He said he had no interest in the weather. 6. He doesn’t study hard, so he can fail the exam. A. If he studies hard, he won’t fail the exam. B. If ha didn’t study hard, he wouldn’t fail the exam. C. If he studied hard, he wouldn’t fail the exam. D. If he hadn’t studied hard, he wouldn’t have failed the exam. làm giúp em vs các anh chọn câu đúng nhá

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