Amaliy mashg’ulotlar mazmuni (pre-intermidiate) Lesson Read and translate the text. Uzbekistan

3. What does the term ‘chemical series’ mean?
4. What are the synonyms of the following words used in the article?
ingenious
location
recurring
to refine
to emphasize
unique
5. What is the difference between the following words? Are they synonyms?
devise
develop
invent
discover
Consist, contain or include?
The periodic table consists of rows and columns It contains elements. Different elements include carbon, sulphur, hydrogen, oxygen etc.

1. The classic symptoms of exposure to toxic chemicals _______________ headaches, sore

throats, vomiting, etc.
2. The word’s trees ________________ between 460-800 billion tones of carbon.
3. The local fauna _______________ wolves, snakes and a wide range of unpleasant insects.
4. The graphs do not _______________ information about the use of the cell.
5. Other greenhouse gasses _______________ carbon dioxide, methane and chlorofluorocarbons.
6. I could hardly __________________ my excitement.


PERIODIC TABLE PUZZLE




GRAMMAR : Prepositions of time




2. Complete the sentences with in, on or at.

1. 
   We met---Friday February 14^th.
   
2. 
   I went to a party---the evening and Michael was
   

there.

3. 
   We spoke for ages and,---midnight, he finally asked
   

for my phone number.

4. 
   He called me---Saturday morning.
   
5. 
   We had our first date---the evening.
   
6. 
   I saw him again---Monday and Wednesday.
   
7. 
   I met his parents---the weekend.
   
8. 
   I asked him to marry me---Sunday evening.
   
9. 
   Our wedding is---March - on the 14^th!