Reading 1 Quickly look at the different texts. Decide what
kind of text each one is.
an advert
a
b a sign
c a recipe
d information on a website about healthy eating
a text message
f a shopping list
g a receipt
h information on food packaging​

mobile phones ,keeping fit

mobile phones entered our life not long ago, but today we can’t imagine our life without them. some doctors say that they are very harmful to the health, especially to the health of children.

the mobile phones emit electromagnetic radiation, and a number of different scientific institutes claim that this radiation is really very harmful, though still there is no hard evidence that showed that mobile phones caused harm in real humans. i try to talk over my mobile phone as less as possibleto avoid the health risks.

jess hasn't got a big cockerel.

a fox isn't black.

эти слова используются в качестве вводных слов.обычно они используются в аргументированных письмах.

you mustn't open the door for a stranger. a stranger should trick you. you might answer the phone. you don't have to tell everybody that you are home alone . you must know your parents' phone number. it have to be wise to know your neighbours .