高压内排屑深孔钻合金刀片损坏，可能产生的原因是（）。 A.硬质合金牌号选择不对 B. 发布时间：2019-02-13 13:44 │ 来源：www.tikuol.com 题型：单项选择题 问题： 高压内排屑深孔钻合金刀片损坏，可能产生的原因是（）。A.硬质合金牌号选择不对B.中心没有对准C.进刀太慢D.刃口变钝
题型：单项选择题 完形填空。 It's fourteen years since I left the Philippines to live with my family in the USA. A month ago, while on summer vacation back in my motherland, I learned a lesson from mosquito (蚊子) bites. Right before 1 Kennedy Airport in New York, my grandma 2 me of the behavior of the native mosquitoes around the 3 like me. She said, "There's an old saying-the 4 you stay away from the motherland, the sweeter your blood 5 to the mosquitoes." Not 6 it, I replied, "Grandma, that's just an old wives' tale!" Well, less than a week 7 my arrival in Manila, I was already carpeted (覆盖着) with a 8 of mosquitobites. I took many measures to keep myself from being 9 , but they all proved useless. Late one 10 in my cousin's home, I couldn't bear the 11 of the bites. Hoping to find some comfort, I 12 my cousin, who was sleeping peacefully in the bed next to mine. Unhappy for being 13 , she said, "There is nothing you can do. Go back to sleep." With a few turns, she slept again. Enviously (妒嫉地) 14 her sleep, I hoped a big mosquito would 15 on her face. However, the mosquitoes would just lightly dance around her face and fly away quickly, never biting her. Amazed, I ran to others' 16 , only to find they were all sleeping 17 as the same thing occurred again and again. From those bites, I came to 18 my grandma's silly tale. From then on, I've always tried to keep a(n) 19 mind about those strange old wives' tales 20 they do have some truth to them. ( )1. A. leaving ( )2. A. persuaded ( )3. A. students ( )4. A. earlier ( )5. A. grows ( )6. A. expecting ( )7. A. after ( )8. A. shade ( ) 9. A. touched ( )10. A. morning ( )11. A. noise ( )12. A. woke up ( )13. A. blamed ( )14. A. having ( )15. A. land ( )16. A. houses ( )17. A. joyfully ( )18. A. tell ( )19. A. open ( )20. A. and B. passing B. reminded B. foreigners B. longer B. goes B. understanding B. before B. pile B. bitten B. afternoon B. hit B. shouted at B. interrupted B. watching B. fly B. flats B. anxiously B. know B. active B. so C. visiting C. warned C. passengers C. sooner C. flows C. recognizing C. when C. cloud C. defeated C. evening C. pain C. looked for C. moved C. making C. fall C. rooms C. peacefully C. remember C. clear C. because D. finding D. informed D. visitors D. later D. remains D. believing D. as D. blanket D. discovered D. night D. effect D. dropped on D. frightened D. helping D. wait D. homes D. worriedly D. accept D. honest D. until 查看答案