WORKBOOK – UNIT 2
VOCABULARY p. 14
1.- 1) Speedy can a jet aeroplane fly
2) were no witnesses to the accident
3) Mars would have many drawbacks
4) need any advance notice
5) without any warning
2.- Possible answers
1 – up 2 – quickly 3 – hit 4 – finish 5 – safe
3.- 1 – f 2 – b 3 – c 4 – a 5 – d 6 – e
4.- 1 – advance, notice 2 – spacecraft, launched 3 – speeds 4 – rush
5 – tiny
p. 17
5.- 1 – put off 2 – pick up 3 – call off 4 – keep away 5 – try out
5 – work out
6.- Possible answers
1) to take off at 9.00 4) used it all up this morning
2) caught on right away 5) blew it up
3) put on a sweater
7.- Possible answers
1) We will put on after the dinner
2) Some chemicals blew up
3) They will have to work it out before their trip
4) She put it off until she’s feeling better
5) We can’t wait to try it out!
8.- 1 – capable of 2 – launch 3 - drawbacks 4 – crash into
5 – Spacecraft 6 – pick … up 7 – tiny 8 – try out 9 – carries out
p. 18 GRAMMAR
1.- 1 – wouldn’t know 2 – will survive 3 – want
4 – would never have survived 5 – demonstrates
2.- Possible answers
1 – should learn physics 2 – will be old 3 – would take it
4 – wouldn’t know how beautiful it looks 5 – won’t see the stars
3.- 1) they get additional money, they will be able to build a lift on the moon
2) wouldn’t have made the first Star Trek film if the original TV series hadn’t been so
popular
3) I didn’t have a star map app on my mobile phone, I wouldn’t be able to identify
the constellations.
4) you don’t look at it through a telescope, you won’t be able to see details on the
moon’s surface / you look through a telescope, you will be able to see details on the
moon’s surface
4.- 1) I wish / If only we had left earlier
2) I wish / If only you would believe me
3) I wish / If only I played the guitar as well as Sue.
4) If only / He wishes he had better marks
5) I wish / If only I were in the right place to see Thursday’s lunar eclipse
p. 19
5.- 1 – knew 2 – should / could visit 3 – might / would stop 4 – could move
5 – watched 6 – might not have followed / wouldn’t have followed
7 – won’t be
6.- 1) They wouldn’t have called off last week’s mission if there hadn’t been a serious
problem.
2) If they succeed in developing a solar-powered spacecraft in the near future, it could
save a lot of money on fuel for space missions
3) As soon as this new technology is available, they’ll use it in new spacecrafts.
4) I wish that I had seen that TV documentary abut space last night
5) What stars can we see if we go to the observatory tonight? / What stars could we see
if we went to the observatory tonight?
7.- 1) El no se habrá estrellado contra el árbol si no hubiera estado montando en su
bicicleta a tanta velocidad.
2) ¡No sabrás lo que eres capaz de hacer a menos que pruebes cosas nuevas!
3) ¿Estallaría una nave especial si chocase con un asteroide?
4) ¡Ojala los científicos pudieran avisar a la gente de más tipos de desastres naturales.
5) Si pospones tu trabajo hoy, tendrás que cancelar tu cita de mañana
8.- 1) The International Space Station has been in orbit for more than 15 years
2) If only you had been there
3) The students have just launched their satellite.
4) She went back inside the spacecraft after she had been walking for 20 minutes
5) You can’t work in mission control unless you are able to stay calm during a crisis.
9.- 1 – d 2 – b 4 – c 6 – a
P. 20 Communication
1.- 1 – phenomena 2 – UFOs 3 – crews 4 – voyages 5 – human beings
6 – aliens 7 – creatures
2.- Possible answers
1) stayed away from places where people were smoking
2) called for help
3) she wanted a baby of her own
4) No, because she hasn’t sent it to any publishers
5) aliens are living amongst us on Earth
6) I checked reliable sources
7) never laughs at anything
3.- Possible answers
1) human beings and chimpanzees
2) an alien develop a friendship
3) heard such a far-fetched / weird story before
4) overcoming the evil robots
4.- 1 – last-minute 2 – well-deserved 3 – long-awaited 4 – worldwide
5 – widespread
5.- 1) This is a picture of 2) It’s hard to tell
3) It’s possible that 4) You can tell that
5) looks like 6) I guess / I suppose
7) It could be that / It’s possible that / You can tell that
8) I guess / I suppose 9) I imagine / I guess / I suppose 10) seems to be
P. 21 Reading
1.- 1) Asteoid Grand Challenge
2) Benjamin Franklin and Charles Darwin
3) Galapagos islands
4) 1900
2.- c
3.- 1) look through telescopes or write computer codes
2) educated in science
3) 50,000 citizen scientists have participated
4) might not have been discovered
4.- 1) Within a week hundreds of people had volunteered
2) Because they coined the phrase “citizen science”
3) The study and conversation of birds and their habitats
5.- 1 – blew up 2 – coined 3 – clergyman 4 – spotted
P. 22 Writing
1.- 1 – although 2 – Consequently 3 – Obviously 4 – Moreover
5 – Fortunately
2.- A
P. 23 Check you progress
1.- 1 – realistic 2 – human beings 3 – find out 4 – underneath
5 – are considered 6 – treacherous 7 – carry out 8 – capable of
9 – accurate 10 – necessity
2.- 1) keep alive the continuing explorations of space for future generations
2) come back to Earth safely
3) stayed behind after we had left the Space Museum
4) made sure that everyone was kept away from that area
5) put off the science fair until a month later than originally planned
3.- 1 – want 2 – have offered 3 – have benefited
4 – had provided/ had been providing 5 – would ….. have wanted
6 – had submitted 7 – had ….. been 8 – know
4,. 1) We can’t apply to enter the robot contest unless we go to the meeting
2) She went out with friends after she had been studying in the library for six hours
3) As soon as I finish the book, I’ll write my book report.
4) She hasn’t flown on a space mission since 1996
5) I would have seen the end of the film if I hadn’t fallen asleep
6) I wish I could go abroad next year
7) If he eats a tomato, it causes him to feel ill.
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