HOC24
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Chủ đề / Chương
Bài học
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1. This singer will _______BRING OUT__________ a new album this year.
2. Peter is very reliable. You can ______COUNT ON___________ him.
3. You should _____CUT DOWN____________ your essay ______ON___________ 500 words.
4. Jim is depressed as he has been ________TURNED DOWN _________ by five companies so far.
5. I can’t ________PUT UP WITH_________ such disturbing noise any more.
6. My mother is always __CHECK UP ON_______________ me.
7. Mr. Smith has ___TAKEN UP______________ golf.
8. Are you tired of _____DEALING WITH____________ complaints from your customers?
9. How are you now? I heard that you __COME DOWN WITH_______________ flu last week.
10. ____HOLD ON_____________! I think we’ve got lost.This isn’t the right road.
1.B
2.A
3.C
C
Ours country is small and very beautiful.It has four season in a year.They are Spring,Summer,Autumn and Winter.It is warm on spring,hot in summer cool in autumn and cold in winter.When a weather is warm,we often playing volleyball,tennis or go fishing.When it is hot,we often go camping or go swimming.When it cool we often play footballs or go jogging.When the weather is cold,we often play basketball,skip or play video game .We favourite season is autumn because the weather in autumn is not very cold and not very hot.The weather is cool so it is very good with our health.
D
A
a/ CaCO3 + 2HCl ➝ CaCl2 +H2O+CO2
mol: 1 2 1 1 1
nHCl= \(\dfrac{m_HCl}{M_HCl}\)= \(\dfrac{73}{36,5}\)=2(mol)
b/ VC02 =22,4.nCO2= 22,4.1=22,4(l) \(\)
B