Complete the text with the correct form of can, can't or be able to + verbs in brackets. scientists say that there are many ways we (keep) our brains healthy, so that we (have) a normal life when we are older. learn a new activity think of something that you (not do) but you would like to learn: another language perhaps, or a musical instrument. learning something new exercises your brain, so that you (deal) better with new situations in the future. do some exercise a healthy body means a healthy brain. doctors say that regular exercise might (stop) the brain getting ill with alzheimer’s, for example. people who don’t go walking, running or swimming might have problems in later life because they (sleep). have fun going out with friends and spending time with relatives (make) you feel more positive about life. as you grow older, you will do different things together, but if you have friends, you (phone) someone for a chat at any time of the day. listen to the silence you don’t have to be active all of the time, and it is important to find a moment when you (relax). our brains need time to rest, as well as our bodies, so that we don’t feel stressed. this also prepares us for the future, when we (not go out) every day.
1Розміри тіла 0,05 мм 0,1-0,3 мм
2Форма тіла Нестала Стала (подібна до підошви жіночої туфлі)
3Пелікула Пелікула Є
4Органели руху Псевдоподії 10 000-15 000 війок
5Кількість ядер Одне ядро Два: макро- і мікронуклеус
6Скоротливі вакуолі Одна Дві
7Трихоцисти Відсутні Є
8Передротова заглибина Відсутні Є
9Клітинний рот Відсутні Є
10Клітинна глотка Відсутні Є
11Порошиця Відсутні Є
12Статевий процес Відсутн гається