September 2018 1 43 Report

W pewnej próbce DNA stwierdzono 20% obecności adeniny. Jaki procent próbki będzie stanowić cytozyna. Odpowiedż uzasadnij


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1.Uzupełnij poniższe pary zdań w czasie Present Simpe i Present Continuous,używająć czasowników podanych w nawiasach.a. My brother..........Mechanical Engineering at a technical college.Tonight he ......for an exam.(study).b.My parents......to the country this Saturday.They.....away nearly every weekend.(go)c.I.....a lot of since fiction books.I ......a good one at the moment.(read)d.He.....a football game on TV now.He.....one every Wednesday.(watch)e.The SandS shop.....high quality stereo equipment.This week they....some brands at lower prices.(sell)2.Uzupełnij pytania w czasie Present Simple lub Present Continuos,używająć wyrazó podanych w nawiasach.1.A:Mark,....(you/leave) the party now?B:Yes,sorry,but I'm really tried.2.A:Dad,....(you.need) your laptop at the moment? I'd just like to check my mailbox.B:No,it's OK.Here you are.3.A: I can't see Darren..........(he/know)about our meeting?B:Yes,I called him this morning.4.A:I can't understand the guide!.......(he/say)anything important?B:Sorry,I have no idea,either.5.A:I've just got a postcard from Sue and Mary.They're at a language camp in Malta.B:So,...............(they/enjoy) it?3.Uzupelnij zdania wyrazeniami z ramki,wstawiajac je w odpowiedniej formie czasu Present Simple lub Present Continuous.Każdego wyrazenia mozesz uzyc tylko raz.*take a long time ,*not want,*work part-time,*look after,*not do anything,*not wait for anyone.a.Judy is very ill now and she can't go to school.Her grandma..........her.b.Look,it;s cold and raining again.I...to go out at the moment.c.It's a really tasty dish but it.....to prepare.d.A:I think someone's knocking.Who couls the be?B:I have no idea.I......e.Mark is still a student,but he also...to earn some extra money.f.Chris,are you busy?No,I.........special.Come on in,please.
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