46. She is so busy with ________social__________activities that she has no time for entertainment. (society)
47. Winning the race was an ________achievement____________. (achieve)
48. Every _______success_____________in science helps you gain new knowledge. (succeed)
49. _________Production___________is increasing by using better methods and tools. (produce)
50. He’s very ________interested____________in scientific subjects. (interest)
51. There have been many wonderful _________development___________in this century. (develop)
52. _______Miraculously_____________, he survived the crash without injury. (miraculous)
53. Do you need a ______miraculous______________memory to become a scientist? (miracle)
54. Our school team won three _________successful___________Games. (succession)
55. It will take a long time to find out a thorough _______solution_____________to this problem. (solve)
56. ________Education____________is very important for everyone. (educate)
57. In recent years, there has been many ________developments____________in science. (develop)
58. Can you ___________imagine_________life without electricity? (imagination)
59. Everyone must obey the rules of__________society__________. (social)
60. Almost every ______society ____________has a money economy based on coins and paper notes. (social)
61. This gold lamp is the most __________valuable __________object in the house. (value) .
62. ________safety ____________first when we have manual work. (safe)
63. The plane arrived _________safely___________after a violent storm. (safe)