2. Hepatitis A is transmitted through respiratory tract. (〤)
3. Zhang Ling has fever, nausea, listlessness, yellow eyes, yellow skin and black urine, and may suffer from hepatitis. (√)
The b way to prevent hepatitis B is to pay attention to food hygiene. (〤)
Hepatitis A is mainly transmitted through unclean blood and blood products. (〤)
6. Timely injection of hepatitis B vaccine can prevent the occurrence of hepatitis B. (√)
7. In case of emergency or critical illness, you must call "120" immediately to request first aid. (√)
8. Adversity is the best school and frustration is the best teacher. (√)
9. Everyone has his own strengths or advantages, which should be often used to encourage himself, which can greatly enhance self-confidence. (√)
10. Inferiority is a kind of self-awareness that has a low evaluation of one's ability and quality. (√)
1 1. People who are honest and trustworthy in today's society are stupid. (〤)
12. Xiaoming voluntarily admitted to the adults that he broke the glass of his neighbor's house and had it repaired. (√)
13. Seeing that the teacher was absent, Tucki invited Xiao Qiang to play basketball in the playground, but Xiao Qiang refused him. (√)
14. To save face, even if you make a mistake, you don't have to admit it. (〤)
15. It's raining. Xiaohong doesn't have an umbrella and is worried. Xiaolan came over and said, "I have an umbrella. Let's take you home first. " (√)
16. When there is a contradiction with others, you can blame others unscrupulously as long as you are reasonable. (〤)
17. Xiao Qiang saw Xiao Ming cheating in the exam and didn't stop him. This is a sign of being lenient with others. (〤)
18. During self-study, Xiaohong was impatient when helping Xiaoming answer the questions, saying: Xiaoming is so stupid. (〤)
19. Compared with beef and mutton, pork with the same weight has higher protein content and lower fat content. (〤)
20. The only nutrients in food that can provide heat energy are carbohydrates, fats and protein. (√)
2 1. The nutrients contained in food mainly include protein, fat, carbohydrates, vitamins, inorganic salts and water. (√)
22. Eating salt and soy sauce for a long time can lower blood pressure. (〤)
Fried food is usually delicious and nutritious, so eating more is very good for our health. (〤)
24. protein contained in foods such as livestock and poultry meat is high-quality protein, while protein contained in beans is not high-quality protein (〤).
25. In childhood and adolescence, there is a great demand for heat energy, so fat should be used as the main nutrient for heating. (〤)
26. In the process of cutting and washing vegetables, vitamin A is the most easily lost nutrient. (〤)
27. When cooking, thickening with starch can protect vitamin C. (√).
According to statistics, 80% of human diseases are related to "eating". (√)
29. The heart is divided into left and right halves and has four chambers: left atrium, left ventricle, right atrium and right ventricle. (√)
When the heart contracts, blood flows from the heart into veins. (〤)
3 1. Blood contains red blood cells, white blood cells, platelets and plasma, each with different functions. (√)
32. Red blood cells have the function of transporting oxygen and carbon dioxide. (√)
33. Red blood cell health guards can devour bacteria that enter the human body. (〤)
34. When the wound bleeds, platelets play a role in blood coagulation. (√)
35. Red blood cells, white blood cells and platelets in the blood are all made by the heart. (〤)
36. If the human body loses too much blood, it will be rescued by blood transfusion, otherwise it will be life-threatening. (√)
37. Donating 200 ml of blood at a time will not affect the human body and will recover soon. (√)
38. Transfusion requires different types of blood. (〤)
39. People's blood types are commonly A, B, O and AB, which are determined by parents' genetic factors. (√)
40. Teenagers are young and strong, so it doesn't matter if they drink some wine. (〤)
4 1. Alcohol is toxic to human nervous system, which will reduce memory and thinking ability. (√)
42. Eating cold drinks can replenish water and relieve summer heat, and it doesn't matter if you eat too much. (〤)
43. The best drink is boiled water. (√)
44. Zhang Qiang's family is very rich and takes Coke and Melinda with him every day. (〤)
45. When going to the supermarket to buy drinks, Xiao Ming likes to pick bright colors and attractive ones. (〤)
46. Xiaoming likes mustard tuber, which he eats almost every meal. He believes that sweets can easily lead to obesity, but there is no harm in eating low-calorie pickles. (〤)
47. The reasonable proportion of total calories for three meals a day is: breakfast 30%, lunch 40% and dinner 30%. (√)
48. If you eat too much meat, a lot of fat will enter the blood vessels, which will make the blood more viscous and easily lead to cardiovascular and cerebrovascular diseases. (√)
49. Teenagers have to eat about 20 kinds of food every day, totaling about * * *1500g, in order to ensure the dietary requirements. (√)
50. 13- 15-year-old teenagers' breakfast is characterized by high calories, small size and high protein and calcium content. If you want to eat enough staple food, you can eat a small amount of vegetables. (〤)
5 1. After a day's study, when I get home, my mother always cooks a big dinner for Xiao Qiang, and Xiao Qiang's stomach is full every night. (〤)
52. After mild contusion, you should apply hot compress first, and then apply cold compress after 48 hours. (〤)
53. Attention should be paid to applying disinfectant from the inside out. (〤)
54. The main pollutants in the atmosphere are sulfur dioxide and suspended particles. (√)
Acid rain is mainly caused by excessive carbon dioxide in the air. (〤)
The harm of acid rain lies in its strong corrosiveness. (√)
57. Lead particles in automobile exhaust will damage children's digestive system and reduce their learning ability. (√)
58. Carbon monoxide is very toxic to humans and animals at very low concentrations. (√)
59. Tuberculosis is a chronic respiratory infection caused by Mycobacterium tuberculosis. (√)
60. Tuberculosis is transmitted through food. (〤)
6 1. The safe and effective way to prevent tuberculosis is to inject BCG. (√)
62. Tuberculosis patients should be strictly isolated from healthy people. (√)
63. Many students go to bed very late as soon as they have a holiday and get up very late the next day. He also plausibly said: this is the life of young people. (〤)
64. Alcoholism is an important cause of liver cancer and cirrhosis. (√)
65. Coronary heart disease, malignant tumor and diabetes are all related to unhealthy lifestyles. (√)
Those so-called "lifestyle diseases" have nothing to do with childhood and adolescence. (〤)
Xiaohong has the habit of keeping a diary. She often writes down her unhappiness in her diary. (√)
A true friend can not only share happiness, but also share adversity. (√)
69. True friendship is when two people can chat and play together. (〤)
70. You should do anything for your friends. (〤)
7 1. The electromagnetic radiation of computer screen is harmful to health. (√)
72. The words on the screen are less irritating to the eyes than the words on the book. (〤)
73. Sitting in front of the screen for a long time is easy to cause cervical spondylosis. (√)
If a person is ill, he should receive treatment immediately. It is impossible to eliminate diseases by practicing martial arts. (√)
75. The retina is located on the anterior (posterior) surface of the eyeball. (〤)
76. The function of the ciliary muscle is to regulate the protrusion of the lens. (√)
77. When the ciliary muscle contracts, the protrusion of the lens will become larger, and the eyes can see distant objects clearly. (〤)
78. The ciliary muscle relaxes and the convexity of the lens becomes smaller, so that the eyes can see the nearby objects clearly. (〤)
79. Healthy ciliary muscles can be adjusted freely. (√)
80. Reading for too long, the ciliary muscles are too tired and lose their ability to adjust. If you look far away, it will be blurred. (√)
8 1. Pay attention to reading, writing and watching TV. Not too close and not too long. (√)
82. Xiaoming studies very hard. He studied nonstop all afternoon. He is practical and serious. (〤)
83. The nervous system consists of brain, spinal cord and nerves. (√)
84. The central nervous system includes the brain and spinal cord. (√)
85. The central nervous system includes cranial nerves, spinal nerves and autonomic nerves. (〤)
86. The brain is located in the cranial cavity, including the brain, cerebellum and brain stem. (√)
87. The brain keeps balance and coordinates movement. (〤)
88. The brain stem governs breathing and heartbeat. (√)
89. Paraplegia occurs when the spinal cord is damaged. (√)
90. The students have tickets for the horror movie being shown. They invited Xiao Ming to see them, but Xiao Ming refused to go. (√)
9 1. Smoking shows maturity. (〤)
Friends should stop smoking in time, not listen to advice, and avoid smokers. (√)
93. When someone offered a cigarette warmly, Sean was embarrassed to refuse. (〤)
94. To buy cooked food, you should go to a regular food store with a hygiene license. (√)
95. Xiao Min often eats kebabs from the stall at the school gate. (〤)
96. Xiao Min likes puffed food best. She thinks this kind of food is light in weight and won't have too many calories. (〤)
97. The food is moldy, smelly, discolored, rotten and sticky, so it cannot be purchased. (√)
98. Potatoes that germinate slightly and turn green in spring can still be eaten. (〤)
99. Moldy sugarcane is inedible. (√)
100. Frozen food should be food with no damage in the bag, hard frozen product, complete shape, unchanged original color and less frost in the bag. (√)
10 1. Edible oil, rice flour, etc. It should be kept in a damp and warm place. (〤)
102. Cooked food in the refrigerator can be eaten directly without heating. (〤)
103. Eating animal liver can improve eyes and eyesight, because it is rich in vitamin A ... (√).
104. Calcium supplement is urgently needed when fracture occurs, and milk and bean products should be eaten more. (√)
105. Add meals between classes to prevent students from hypoglycemia. (√)
106. A person's height is 25% determined by congenital factors and 75% by acquired factors. (〤)
107. Physical exercise, especially those stressful or nervous activities, is of positive significance to the growth of height. (√)
108. Short students can eat some products such as "increasing insoles" and "increasing happiness". (〤)
109. Height is directly related to a person's image. (√)
1 10. Iodized salt should be stored in brown bottles and covered. (√)
1 1 1. The full name of AIDS is "acquired immunodeficiency syndrome". (√)
1 12. The main modes of transmission of AIDS are handshake and daily contact. (〤)
1 13. Moderate stress can promote brain activity, which is conducive to improving thinking ability and exerting personal potential. (√)
1 14. to eliminate excessive tension, we must first review before the exam, clear the obstacles and improve our self-confidence. (√)
1 15. Xiaoming always said to himself before the exam, "I will do well in the exam." I reviewed well. I have no reason to fail in the exam! " Used to cheer yourself up. This is really a good method. (√)
1 16. It is a sign of excessive tension to often read the wrong questions in the exam. (√)
1 17. Hand shaking, sweating, dizziness and even fainting during the exam are all manifestations of excessive tension. (√)
1 18. staying up late to review before the exam is to fully alleviate your nervousness. (〤)
1 19. If you can't answer some questions in the exam, give up first and don't worry. (√)
120. Responsibility refers to what should be done in this job. (√)
12 1. We can understand the truth, have knowledge and grow up healthily, which is the result of teachers' due diligence. (√)
122. Everyone should take part in the class cleaning, because everyone has the responsibility to keep the class clean. (√)
123. Consumption needs to take into account its own consumption demand and actual consumption capacity. (√)
124. Some people say that there is no need to be frugal now that living conditions are good. (〤)
125. The idea of inferiority can only amplify your shortcomings and make you face the pain of failure repeatedly. (√)
126. Loi Siu never looks into each other's eyes when he speaks, which is a sign of lack of confidence. (√)
127. At the meeting, the students who took the initiative to sit in the front row were very confident. (√)
128. Raise your hand actively in class to exercise your self-confidence. (√)
129. Taking the initiative to greet people is a sign of confidence. (√)