Find the words or phrases (1–7) in the text above which are explained / defined (a–g)? The first and the last letter are given to help you.
|1||p-t on w----t||a||become heavier|
|2||i-------n||b||a process of forcing a liquid|
|3||b---k a r----d||c||reach the best result, not yet done|
|4||m--------n||d||freedom from excess|
|5||e-------t||e||producing a desired or satisfactory effect|
|6||a----b||f||take or suck in|
|7||m--e s—e||g||feel confident, satisfy oneself|
Test yourself. Cover the dictionary meanings and look at the words. What are the meanings?
5. Complete the ‘I think’ column with morning, midday, afternoon, evening or night when answering the questions.
|What do you think is the best time of the day to||I think||Expert opinion|
|work or study|
|have a bath|
|do your homework (especially maths)|
|have a big meal|
|put on face cream|
|do sport or exercise|
|eat without putting on weight|
6. Read the text again and in pairs, complete the ‘Expert opinion’ column with the exact times given in the ‘Expert opinion’. Tell each other why it is the best time of the day.
Grammar focus: Question tags
Question tags often follow sentences in speech and informal writing, e.g.:
You haven’t seen Dasha , have you? This coffee isn’t very nice, is it?
Negative tags are usually contracted; the contracted tag for I am is aren’t, e.g.:
Nice day, isn’t it? I’m late today, aren’t I?
Put negative tags after affirmative sentences, and non-negative tags after negative sentences; do not put tags after questions, e.g.:
It’s cool, isn’t it? It’s not hot, is it?
If the main sentence has an auxiliary verb or be, this is used in the tag; if not, do (does) is used;
therecan be used as a subject in tags, e.g.:
She can play guitar, can’t she? You wouldn’t like drama, would you?
He gave you a present, didn’t he? There’s a problem, isn’t there?
Use they to refer to nobody, somebody and everybody;
use non-negative tags after never, no, nobody, hardly, scarcely, little;
use it in questions tags to refer to nothing, e.g.:
Nobody came in, did they? Nothing can happen with them, can it?
A Put together the sentences and tags.
|1||You should have your big meal of the day at 12 o’clock,||a||does it?|
|2||The brain isn’t at its most creative at seven in the morning,||b||aren’t there?|
|3||After 11 o’clock, the metabolism doesn’t slow down, preparing us for sleep,||c||do they?|
|4||Vitamins cannot cause indigestion,||d||won’t you?|
|5||There are a lot of road accidents at 2 p.m. because drivers fall asleep at the wheel||e||shouldn’t you?|
|6||After a hot bath you’ll sleep well.||f||is it?|
|7||People don’t find it difficult to concentrate at midnight if they are studying or working||g||can they?|
B Complete the sentences from real conversations with the question tags.
1. It’ll be all right, ______?
2. She doesn’t look well, _____?
3. She is a pretty small girl, _____?
4. They weren’t ready, ______?
5. Nobody likes her, _____?
6. Nothing matters, _____?
7. You couldn’t tell me the time, _____?
1. In pairs say at what time of the day you do these things. Who has the ‘best’ daily routine?
Tell your class-mates about the most interesting facts from the day of your partner.
Learn mathematics in English
I. Read the text and do the tasks below it.
Advanced arithmetical operations
In spoken English, 52 is ‘five to the power (of) two’, 56 is ‘five to the power (of) six or ‘five to the sixth power’, etc. An alternative way of saying 52, 72, etc. is ‘five squared, seven squared’, etc. An alternative way of saying 53, etc. is ‘five cubed’, etc. In spoken English 5–2 is ‘five to the power (of) minus two, 6–5 is six to the power (of) minus five or ‘six to the minus fifth power’, etc. The superscript above and to the right of the number is called the exponent. This arithmetical operation is called raising to a power or exponentiation or involution. The result of this operation is called the value of the power.
In spoken English, is ‘the square root of sixty-four’, and is ‘the cube root of eight’. All other roots are expressed using ordinal numbers, e.g. is ‘the fourth root of sixty-four’, and is the fifth root of one hundred and twenty-five. This operation is called extracting a root or evolution. The result of this operation is called the value of the root.
In pairs, look at the highlighted words and phrases. Try to guess what they mean from the context. Then check with your dictionary or teacher. Work out the list of the terms involved, make a kind of glossary.
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