I arrived at the airport _ _ the plane h 发布时间：2017-06-22 15:45 │ 来源：www.tikuol.com 题型：选择题 问题： I arrived at the airport _ _ the plane had taken off. [ ]A. while B. before C. after
题型：选择题 一个盒子中装有4张卡片，每张卡片上写有1个数字，数字分别是1、2、3、4，现从盒子中随机抽取卡片．（Ⅰ）若一次抽取3张卡片，求3张卡片上数字之和大于7的概率；（Ⅱ）若第一次抽1张卡片，放回后再抽取1张卡片，求两次抽取中至少一次抽到数字3的概率． 查看答案
题型：选择题 完形填空 I live in a big city with a lot of homeless people. Luckily there're small ways of helping them and you needn't have a lot of 1 . One way to help is to buy their monthly magazine. 2 doing this one day, I got to_ 3 a young homeless man. He was often 4 the magazine at the train station. He was a poor farmer from another country. After a while, I discovered that his 5 was close to mine. It 6 that we were born in the same month. I met him last year 7 after his birthday, and after congratulating(祝贺) him, without 8 , I asked if he had had a good day. He 9 and said that he hadn't really celebrated. I felt so 10 . I just couldn't bear the thought of (不敢想)this nice, young man being 11 on his 25th birthday with no presents, no cake, nothing! So I went home and looked in my yarn(纱线) basket. 12 for me, I had enough yarn 13 . I set to work and knitted(编织) a 14 for the young man. The yarn had become a little dirty 15 I didn't knit very often. Then I washed the yarn so the scarf would be 16 when he got it. I met him on my own birthday as I was going shopping. I had 17 to meet him so I had 18 the scarf and a piece of my own birthday 19 around with me. He was very happy with these gifts and so was I. The 20 in his eyes was the best present he could have given me!( )1. A. work ( )2. A. In ( )3. A. realize ( )4. A. selling ( )5. A. birthday ( )6. A. said ( )7. A. long ( )8. A. stopping ( )9. A. looked up ( )10. A. foolish ( )11. A. calm ( )12. A. Suddenly ( )13. A. used ( )14. A. scarf ( )15. A. when ( )16. A. different ( )17. A. liked ( )18. A. made ( )19. A. cake ( )20. A. light B. energy B. On B. ignore B. reading B. house B. found B. shortly B. helping B. turned upB. excited B. happy B. Luckily B. done B. cap B. because B. dry B. hoped B. thrown B. present B. pain C. money C. Besides C. know C. covering C. height C. guessed C. ever C. praising C. looked down C. clever C. alone C. Badly C. left C. sock C. so C. wet C. promised C. received C. song C. sight D. experience D. By D. recognize D. buying D. hobby D. meant D. even D. thinking D. got down D. worried D. hungry D. However D. produced D. glove D. and D. clean D. agreed D. carried D. party D. tear 查看答案
题型：选择题 男，34岁，因头晕、心悸、时有心绞痛来诊。查体：BP160/52mmHg，心率90次/分，心界向左下扩大，心尖呈抬举样搏动。听诊心律整齐，心尖部第一心音正常，可闻及柔和、舒张期隆隆样杂音；胸骨左缘第3、4肋间闻及舒张期叹气样杂音4/6级，沿胸骨左缘向下传导至心尖。该患者可出现哪种脉搏A．交替脉B．水冲脉C．奇脉D．脉短绌 查看答案