2015-08-21
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a. - … I have my practice at the British Steel Works?
- …
b. - … I observe the steel making process?
- …
c. - … we study the properties of various types of steels today?
- … Later we’ll discuss ….
d. - …I use these substances for the experiment?
- …
e. - … I continue the research?
- …
f. - … we studied the influence of temperature on the strength of plastics?
- …
Find words formed from the first word in the line.
1. corrode – code, corrosive, charge, conductor
2. cast – substance, content, casting, steel
3. require – environment, requirement, refine, tempering
4. pure – sulphur, powerful, impurity, perform
5. metal – modern, meat, malleable, non-metal
6. considerable – carbon, constituent, construction, considerably
7. complete – competition, completely, tremendous, economical
8. charge – change, research, discharge, consumer
9. exhaust – explanation, expensive, efficiency, inexhaustible
Restore the original sentences.
1. was/ allowed/ the/ research/ he/ continue/ to
2. carbon/ engineer/ content/ the/ of/ increase/ steel/ the/ may/ the/ in
3. may/ these/ for/ you/ substances/ experiment/ use/ the
4. cannot/ this/ describe/ experiment/ I/ results/ the/ of/ today
5. be/ copper/ alloyed/ can/ iron/with.
6. engineers/ copper/ use/ can/conductors/ electrical/ for/ the
7. cannot/ this/ difference/ and/ brass/ student/ explain/ the/ between/ bronze
8. test/ substance/ in/ scientists/ the/ can/ use/ samples/ the/ this/ of/ the
9. must/ Alex/ a/ write/ report/ the/ of/ detailed/ test
10. compare/ two/ of/ they/ tests/ must/ results/ the
Say what these people could do in the past.
For example: I cannot use the new apparatus now but I could use it yesterday.
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1. He cannot do research on copper alloys this term but he … it last term.
2. We cannot compare the properties of these substances now but we … them during our previous experiment.
3. They cannot study aluminium bronze at the lesson now but they … it in the lab yesterday.
4. We cannot extract copper with the help of stone and bone but ancient people … it in this way thousands of years ago.
5. I cannot describe the results of his experiment today but I … them yesterday.
Give advice to your friend in the following situations. Use the modal verb should.
For example: Student A: I have an examination tomorrow.
Student B: Well, you should work very hard tonight.
1. I don’t know how to draw up a report of my experiment.
2. I’m very tired after the practical class.
3. I’d like to know more about plastics.
4. I’d like to buy good sports equipment.
5. I want to become a materials engineer but I don’t know what I must study and at what University.
