<1> During the first six months, the new students attend a special catch-up class, where they begin with first-grade Chinese. They learn quickly and are usually able to jump back into their normal Chinese class in about six months. The children come from all over the world, but the common language for __51__ is English. " __52__ learning Chinese, my brother and I also had to obey the Chinese classroom disciplines - much stricter than in the American schools we had come __53__ . Students were expected to sit __54__ and listen to the teacher __55__ talking. If you wanted to answer a question, you had to raise your hand and then stand up to speak __56__ called upon. Students who did something wrong were criticized in front of __57__ the class. These brought order, which helped the teacher cover more ground in less time, unlike in many American schools, __58__ much time is wasted __59__ control the students. __60__ this, the math in the third and fourth grade in China's primary school was roughly comparable to the fifth and sixth-grade math classes in our own country, if not slightly more advanced. By the middle of the fourth grade, my class had begun to study Algebra, a subject which was begun in the seventh grade, at the very earliest, in our American schools." 51. A. all them B. all of them C. they all D. their all

52. A. Except B. But C. Beside D. Besides

50. His ______ vocabulary of the basic structure is good but his vocabulary is limited. A. hold B. grip C. grasp D. seize

49. We are all astonished to learn that the apparently ______ professor was really a spy. A. respectful B. respective C. respectable D. respected

48. As it was almost time for the flight, all the passengers got ___ the plane. A. around B. abroad C. aboard D. ahead

47. The natural ___ of the mountains is beautiful. A. scene B. scenery C. sceneries D. scenes

46. What he said is ____ nothing worth listening to. A. nearly B. almost C. most D. near

45. The dentist _____ his decayed tooth again. A. filled B. repaired C. mended D. healed

44. The child was told to ____ for being rude to his uncle. A. excused B. apologize C. punish D. pardon

43. Electricity, like other forms of ______ , has greatly increased in price. A. pressure B. force C. strength D. energy

42. Most people like to think they are so ____ at the job that they would be impossible to replace. A. efficient B. sufficient C. inefficient D. insufficient