Объяснение:Mother: How was your day?
You: Hi, mum! Everything is all right. We had a dictation, but it was not really difficult.
Mother: What grades have you got?
You: I've got "top score" in English and Geography.
Mother: Have you had dinner?
You: I haven't had dinner yet.
Mother: Have you taken the rubbish away?
You: I'm sorry but I haven't done it yet. But I'll take it away in 10 minutes.
Mother: Have you washed up yet?
You: Don't bother, Mum! I am going to wash up after I take the rubbish away.
Mother: What have you been doing then?
You: I have already done the shopping. I've cooked supper.
1) Organs and organ systems of any living organism are constantly functioning.
2) This group of researchers recently made an interesting scientific discovery.
3) A new medication burns fat fast.
4) Living cells are able to generate movement.
5) You can observe the direction of movement of particles with the help of a new generation of devices.
6) You can measure the strength of muscle contractions with this device.
7) Movement is one of the main properties of life.
8) You must follow the direction of movement of the experimental animal.
9) Scientific research includes a hypothesis, experiment and conclusions.
10) Each muscle cell contains a protein molecule.
Объяснение:
Have asked, have begun, have opened, have gone, have taken, have catched, have made, have found, have collected, have wrote, have washed, have drunk, have decorated, have bought, have read, have seen,