Поставьте во к словам в скобках:
1. Toxicants are often concentrated (in a specific tissue).
2. (Some toxicants) accumulate in various parts of the body.
3. Chemotherapy usually refers to treatment (for infectious diseases, cancer diseases or
mental illness.)
4. Intravenous injection is given directly (into the vein)
1. Yes, he is.
2. He wakes up early, gets ready and goes to school. There he spends eight hours studying hard so he doesn't have to do too much homework. At home he relaxes by watching TV and using the computer. He walks his dog in the evening and then goes to bed at half past nine. Twice a week he goes to football practice after school and at the weekends he just relaxes at home.
3. He has time for football practice, homework, school work and his dog.
4. He doesn't have time for his friends.
5. Yes, he has. He's got two rules. He never watches TV in the morning and he works hard at school so he doesn't have to do a lot of homework.
6. He has time for almost everything, but not enough time to meet up with his friends.
7. Yes, he can. At the weekends he can stay in bed all day and watch TV.