Сборник задач по подготовке учащихся к международным исследованиям timss и pisa
жүктеу/скачать 3,45 Mb. Pdf көрінісі
|
| Task 4. Capacity.
The container has a parallelepiped shape. It is necessary to fill exactly half the water volume of the tank, with no other vessels and making measurements. Question 1. Show in the picture and explain. Solution: 1. If one end of the vessel to lift so that the water surface coincides with the diagonal section of the box, then just be half the capacity (Figure 2.). Figure 2 Question 2. Find the volume of the water if the container 4 m, width 0.5 m greater than the height, and the height is 37.5% of the length. Answer: 6 m3. Methodical maintenance of process of gradual development of reader literacy is associated with the formation of the necessary skills in the reader's functional aspect, as well as creative abilities to perceive and learn about the world and man. Reader literacy involves the ability to extract text from interesting and useful information, understand and interpret the text, evaluate and form a judgment about the text, use the experience of books read in a variety of situations. The strategic objective of the formation of reader's literacy is to create support systems and the development of children's and youth reading in the educational space of the school. Given the special role of the book in the development of the human personality, teachers efforts should be aimed at laying the foundations of reading activity in the school age, adolescents give guidance for its revitalization and improvement. Consider the performance of tasks for the development of reader literacy. 147 Text. Announcement of the blood donation Donation saves lives. There is a substance capable of completely replacing human blood, so blood donation plays a significant role in saving people. In France, blood transfusions annually reduces suffering of 500 thousand patients. Sterile disposable instruments (syringe, tube and container) used for blood sampling. Donating blood, you will be subjected to the slightest risk. This is the most known form of grants and only takes 45 minutes to an hour. Donors take 450 ml of blood, and a few drops of tests and examinations. Men can donate blood five times a year, a woman - 3 times. Donors may be people aged 18 to 65 years. Mandatory break before each subsequent blood donation is 8 weeks. Question. Eighteen-year girl, twice surrendered the blood over the last 12 months and wishes to donate blood again. Based on the announcement of donating blood, under what conditions it will allow to donate blood again? Answer. She can donate blood if passed 8 weeks after the last blood donation. |