题目

若x∈［0,］，则函数y=sin(2x+)的最小值是________，相应的x的值是_________. 答案：解析：∵0≤x≤,∴≤2x+≤.∴≤sin(2x+)≤1.∴ymin=,此时x=0或.答案：  0或根据提示用适当的单词、短语填空。1. I imagine meeting the famous film star ___            ______. (本人)2. Was Johnson ___            ______ with Shakespeare?  (与…同时代)3. The deep ___            ______ she felt was obvious in the expression of her face. ( 悲伤)4. English is a ___            ______ of Germanic family of languages. (分支)5. That beautiful song ___            ______ the teenagers in last year.(受到…的欢迎)6. The accident last night ___            ______ to your careless driving. (由于)7. My children have become hopelessly ___            ______ television.(对…上瘾)8. He was ___            ______ his body so he decided to go on a diet and do more exercise.(对…感到羞愧)9. M___            ______ health is as important as physical health.10. My father has q___            ______ smoking.11. Remember not to ___            ______ the news to the press. (泄露)12. Great Britain ___            ______ four countries -Scotland, England, Wales and the NorthernIreland. (由…组成)13. We can draw money from ___            ______ teller machines (ATM) at any time instead ofvisiting a bank.14. The well-paid job he offered last week rather ___            ______ me. (对…有吸引力)15. Many kids easily ___            ______ the bad habit of playing computer games all day. (养成)16. His explanation is so ___            ______ that no one accepted it. (抽象)17. Some people are ___            ______ seafood. (对…过敏)18. Since you're free, do you ___            ______ going to a movie with me? (想要)19. Miss White received ___            ______ flowers from her admirer. (一束)20. Workers are still busy with their work ___            ______ hot weather. (任凭)