anglysky

1. Diamond is an ultrahard substance

2. Normally oxygen passes ... - the bloodstream

3. Carbon is used in filters for

4. Nitrogen forms about 75% of the

5. We traditionally divide chemistry into

6. Scientists discover new reactable ( не разобрал точно)

7. We learned about this discovery

8. The National Health Service ... provides

9. Fruit contain a lot if vitamins

10. Let's go for a walk. It isn't raining now

11. The students described the chemical reaction

12. Vegetarians are people who don't eat meat

13. Water is a liquid substance at ....

14. John wants to be a surgeon. It's his ....

15. Hydrogen is the lightest element in the ...

16. The first-year students are listening

17. Scientists create new materials with

18. Some carbon - based compounds are..

19. We haven't finished our experiments

20. These people are speaking French. I don't understand them

21. We are preparing for our

22. Our organism needs "---" vitamins

23. Normally oxygen passes trough the lungs and enters "---" the bloodstream

24. He has written two articles this ..

25. Do you want to go to the party? - No, I prefer to study...

26. Carbon monoxide is a gas without ....

27. Carbon monoxide is formed when a fuel burns without enough oxygen available

28. These two elements do not interact with each other

29. Metals are inorganic substances

30. We are preparing for our English test

31. Water free at temperatures below..

32. All acids contain hydrogen

33. The discovery of antibiotics

34. John made a report at the

35. Mary works as a nurse and likes

36. Cells are the smallest units of life

37. The students are watching a

38. Carbon monoxide finds to hemoglobin 300 hundred times

39. Carbon occurs naturally both as a simple substance and in compounds

40. Don't disturb me. I am preparing for my exam in chemistry.

41. I take this drug every day

42. Usually i have lunch at the

43. The microscopic carbon tubes form fibers that are stronger than graphite fibers

44. The newest carbon molecules are microscopic carbon tubes

45. Is Ann here? - Yes. she has just come

46. The weather is bad. it started

47. Carbon dioxide is the main comp

48. Don't worry. We have already called the doctor

49. Diamond is the hardest...

50. A chemical reaction between oxygen and ...

51. Atoms can combine and ...

52. This substance is highly poisonous

53. All organic substances are

54. Carbon monoxide is a colorless gas ...

55. In combination with oxygen carbon

56. Carbon monoxide kills by ...

57. Carbon is a chemical elements with surprising ...

58. Oxidation is a chemical reaction of substances with oxygen

59. Can i speak to Dr Philips? Wait a little please. He is talking on the phone

60. She goes to a fitness center

61. Could you phone later? We are having

62. Alexander Fleming discovered

63. The students will have two tests ---

64. Oxygen was discovered by Swedish

65. Human beings cannot live without oxygen

66. Atoms can form

67. This property of carbon

68. Carbohydrate is a substance

69. Chemical substances ... compounds

70. The discovery of antibiotics ...

71. Graphite is used in pencils

72. All organic ... carbon

73. Scientists continue to discover

74. There two elements do not interact

75. This phenomenon is very interesting

76. He wants to become a research chemistry

77.. The students studied the properties of

78. Carbon fibers can be used to

79. Metals are inorganic

80. D. I. Mendeleev created the Periodic

81. Scientists create new materials

82. The basic components of the

83. Proteins are organic compounds

84. Plants use atmospheric carbon dioxide

85. Carbon continues to astonish physicists

86. John hasn't decided yet where

87. The students, took the exam in organic chemistry last monday

88. Steve stopped smoking five years ago

89. The symptoms of carbon monoxide poisoning are headache fatigue and nausea

90. Most carbon-based compounds are components of living cells

91. Helen had a high temperature yesterday and called the doctor

92. This is the longest film i have ever seen

93. The two solid forms of carbon ( graphite and diamond ) differ in their physical properties

94. Carbon is chemically very active and forms more than a million compounds

95. We have practical classes in chemistry twice a week

96. Is this book interesting? - i don't know. I haven't read it

97. Everyone knows that water boils at

98. Sam fell off the bicycle and

99. I was surprised to see such a big diamond

100. Proteins are organic compounds

101. The patient had the symptoms of ... poisoning

102. We bought these drugs at the chemist's

103. Unlice ( в оригинале не могу разобрать) graphite, diamond is..

104. Biochemistry studies chemical living

105. Interaction of substances of

106. Where are the children? - They are playing

107. DNA and RNA are nucleic acids

108. Thomas is a surgeon. He works at

109. A molecule of water consists of two

110. Doctor Smith hasn't examined the patient

111. It's half past nine. The lecture has already begun

112. Sandra knows Italian and French

113. Have you passed all the exams? - Yes, i passed

114. Carbon, the sixth element remarkable properties

115. Calcium carbonate is a solid substances in rocks

116. Recently scientists have discovered

117. Look at the speedometer. You are driving

118. New carbon fibers may be used in aviation to reinforce aircraft

119. Ste didn't attend classes last month

120. I haven't seen Ann lately

121. I have broken my right arm and

122. The weather is bad has just started

123. We haven't seen patients with such

124. Carbon forms more compounds than any

125. Can you hear the music? Jane is playing