câu 1: cho \(A=\left\{x\in R:x+2\ge0\right\},B=\left\{x\in R:5-x\ge0\right\}.tìmA\cap B\)

câu 2: A=\(\left[-4;7\right]\) và B=\(\left(-\infty;-2\right)\cup\left(3;-\infty\right)\) tìm A\(\cap\)B

Choose the word whose syllable is stressed differently ftom the rest in each group

16. A. culminate B. operate C. terminate D. machine

17. A. summary B. intensify C. instruction D. affectionate

18. A. agency B. memory C. encounter D. influence

19. A. electrician B. comfortable C. manufacture D. accidental

20. A. substantial B. dominate C. agriculture D. national