高考时、语态内容摘要:
_____, all the Tshirts are sold at half price. ( 04 浙江) (C) A. has closed down B. closed down C. is closing down D. had closed down 38. — You were out when I dropped in at your house. — Oh, I _______ for a friend from England at the airport. ( 04 福建) (A) A. was waiting B. had waited C. am waiting D. have waited 39. — The window is dirty. — I know. It _____ for weeks. ( 04 广西) ( D) A. hasn’t cleaned B. didn’t clean C. wasn’t cleaned D. hasn’t been cleaned 40. Turn on the television or open a magazine and you ______ advertisements showing happy families ( 04 湖南)( A) A. will often see B. often see C. are often seeing D. have often seen 41. I hear Jane has gone to the Holy Island for her holiday. Oh, how nice! Do you know when she ______ ? ( 04 湖南) ( D) A. was leaving B. had left C. has left D. left 42. He kept looking at her , wondering whether he her somewhere . ( 04 湖北) (D) A. saw B. has seen C. sees D. had seen 43. —Gee and Lucy got married last week . Did you go to their wedding ? —No , I . Did they have a big wedding ? ( 04 湖北) (C) A. was not invited B. have not been invited C. hadn’t been invited D. didn’t invite 44. It is said in the book that Thomas Edison (18471931) the world leading inventor for sixty years . ( 04 辽宁) (D) A. would be B. has been C. had been D. was 45. The first use of atomic weapons was in 1945. and their power ______ increased enormously ever since. ( 04 上 海) (C) A. is B. was C. has been D. had been 46. The number of deaths form heart disease will be reduced greatly it people _______ to eat more fruit and vegetables. ( 04 上海) (D) A. persuade B. will persuade C. be persuaded D. are persuaded 47. Let’s keep to the point or we ______ any decisions. ( 04 全国 I) (A) A will never reach B have never reached C never reach D never reached 48. My mind wasn’t on what he was saying, so I’m afraid I ______ half of it. ( 04 全国 I) (D) A was missing B had missed C will miss D missed 49. Has Sam finished his homework today? I have no idea. He______ it this morning. ( 04 全国 II) (C) A did B has e C was doing D had done 50. I ______ you not to move my dictionarynow I can’t find it. ( 04 全国 II) (A) A asked B ask C was asking D had asked 51. According to the art dealer, the painting______ to go for at least a million dollars. ( 04全国II) (A) A is expected B expects C expected D is expecting 52. Thank goodness, you’re here! What______ you? Traffic jam. ( 04 全国 IV) ( D) A keeps B is keeping C had kept D kept 53. How can you possibly miss the news? It _______ on TV all day long. ( 04 北京春季)( A) A. has been B. had been C. was D. will be 54. - Sorry to have interrupted you. Please go on. - Where was I? - You ______ you didn’t like your father’s job. ( 04 北京春季)( C) A. had said B. said C. were saying D. had been saying 55. I arrived late。 I _____ the road to be so icy. ( 04 北京春季)( C) A. wouldn’t expect B. haven’t expected C. hadn’t expected D. wasn。高考时、语态
相关推荐
特别注意字母的规范、大小写问题;应区分中心天体、环绕天体;球体半径、轨道半径等问题。 ( 4)估算天体的质量和密度 解题思路: 密度。 ,比如近地飞行等。 没有环绕天体可假设。 例 .(安徽春招) 地核的体积约为整个地球体积的 16%,地核的质量约为地球质量的 34%,经估算,地核的平均密度为( )(取两位有效数字, R地 = 106m, G= 1011Nm2/Kg2) 例题 例
(1)第一宇宙速度 (环绕速度 ): v1=,是人造地球卫星的 最小发射速度 ,是绕地球做匀速圆周运动中的 最大运行速度 . (2)第二宇宙速度 (脱离速度 ): v2=,使物体挣脱地球引力束缚的最小发射速度 . (3)第三宇宙速度 (逃逸速度 ): v3=,使物体挣脱太阳引力束缚的最小发射速度 . 宇宙速度的意义 : ① 当 v< v1时,被发射物体最终仍将落回地面; ② 当 v1≤v <
小球 ,排成一直线 ,彼此有一定的距离 .开始时 ,后面的 9个小球是静止的 ,第一个小球以初速度 VO向着第二小球碰去 ,结果它们先后全部粘合在一起向前运动 ,由于连续地碰撞 ,系统损失的机械能为多少。 车车2k 球 球球m 1Δ E = m v = m g hm + m 22v得 h= 4g解: 把后面的 9个小球看成一个整体,由完全非弹性碰撞模型 ,有 22 0k02 7 m
手中的锅铲,一滴油溅到我的胳膊上,很烫,像男人眼中对未来殷切的希望。 我说:“您以前为什么不期待这个看不见摸不着的东西呢 ?”“以前 ……” 男人把菜都盛在白瓷盘里,“哦,那时候太傻,总以为日复一日地干好工作就总会有起色,可是 …… 哎 !” 来到狭小的屋里,男人的妻子 ——一个再普通不过的女人,坐在小凳子上,一言不发,她始终是一言不发的,以前她可不是这样一个女人,她有着正常家庭主妇的聒噪和八卦
( 7)甲不站在左端,乙不站在右端。 ( 8)甲乙都不与丙相邻 例 5:按下列要求,从 12人中选出 5人,有多少种不同选法。 ( 1)甲、乙、丙三人不能当选; ( 2)甲、乙、丙三人只有 1人当选; ( 3)甲乙丙三人至少 1人当选 ( 1)平均分给甲、乙、丙三人,每人 2本; ( 2)平均分成三份,每份 2本; ( 3)甲、乙、丙三人一人得 1本,一人得 2本,一人得 3本; (