Activity 103 - Parte 1:
Basándote en la gramática de la página anterior pasa estas
oraciones a la VOZ PASIVA utilizando además las preposiciones
de causa indicadas en la última columna. De ser necesario ayúdate con
un diccionario. Verifica luego las
respuestas correctas.
1.
Factories are burning extremely dangerous chemicals.
BY
2.
Smog has endangered people's lives in many large cities.
AS A RESULT OF
3.
Global warming has damaged plants and wildlife.
THROUGH
4.
Reduced rainfall is creating bigger and bigger deserts.
BECAUSE OF
Activity 104 - Parte 2:
Basándote en la gramática de la página anterior pasa estas
oraciones a la VOZ PASIVA utilizando además las preposiciones
de causa indicadas en la última columna. De ser necesario ayúdate con
un diccionario. Verifica luego las
respuestas correctas.
5.
Rivers full of dead fish are supplying our drinking water,
BY
6.
Additives, such as chlorine, have ruined the taste of our drinking water.
DUE TO
7.
Traffic pollution is contaminating agricultural crops such as fruits and
vegetables.
BECAUSE OF
8.
Agricultural sprays have caused mysterious new illnesses.
BY
Activity 105:
Completa estas oraciones seleccionado de cada menú las alternativas más
adecuadas. De ser necesario ayúdate con un diccionario. Verifica luego las
respuestas correctas.
1.
Green organizations are trying to save rain forests that have been
by developers and farmers.
2.
One way to inform the public about factories that pollute the environment is
through
programs on TV.
3.
The ozone layer has been
more in the southern hemisphere than in the
northern hemisphere.
4.
Agricultural sprays are
the soil in most countries
of the world.
5.
is an enormous problem in many large cities where whole families can
only afford to live in one room.
En la página siguiente
Mr.Grammar explicará PASSIVE TO DESCRIBE PROCESS.