Page 9 - SGK Tieng anh lop 8 thi diem tap 2

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Pronunciation
Stress in words ending in -ic and -al
Grammar
Adding the suffi x -ic changes the stress of a Conditional sentences type 1: review
word. Stress the syllable immediately before
Put the verbs in brackets into the correct form.
the suffi x.
Example: 1. If we (recycle) _______ more, we (help) _______
'atom → a'tomic the Earth.
Adding the suffi x -al to a word does not change 2. Factories (not dump) _______ waste into rivers if
its stress. the government (fi ne) _______ them heavily.
Example: 3. If people (travel) _______ to work by bus, there
'music → 'musical (be) _______ fewer car fumes.
Note: If a word can take both suffi xes: one 4. We (save) _______ thousands of trees if we
ending in -ic and the other ending in -al, both (not waste) _______ paper.
words have the stress on the same syllable. 5. If we (use) _______ water carefully, more people
Example: (have) _______ fresh water.
e'conomy → eco'nomic → eco'nomical

Listen and mark the stress in each word, then
repeat it.
1. artistic 6. physical
2. athletic 7. heroic
3. historic 8. poetic
4. historical 9. botanic
5. logical 10. botanical

Underline the words ending in -ic and circle
the words ending in -al in the following
sentences. Mark the stress in each word. Combine each pair of sentences to make a
Listen and check your answers, then repeat conditional sentence type 1.
the sentences. 1. Students are more aware of protecting the
environment. Teachers teach environmental
1. According to scientifi c research, tiny species may
help clean radioactive pollution. issues at school.
2. Water quality has become a national problem. → ___________________________________________
3. Many people have received medical treatment 2. Light pollution happens. Animals change their
because of the disease. behaviour patterns.
4. Chemical waste can cause water pollution. → ___________________________________________
5. The reduction in air pollution was dramatic 3. The levels of radioactive pollution decrease. We
last year.
switch from nuclear power to renewable energy
sources.
→ ___________________________________________
4. The water temperature increases. Some aquatic
creatures are unable to reproduce.
→ ___________________________________________
5. People get more diseases. The water is
contaminated.
→ ___________________________________________

9 Unit 7/ Pollution