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I.                Choose the correct answer.                            Space experiment

Some exciting photos of space have recently appeared on the internet - all taken by teenagers!

Using a cheap camera and a simple balloon, some school students got a large (amount / sum / number / total)1 ………….. of amazing photos from 15 miles (among / above / about / along)2 …………..  Earth.

The teacher said, '(It / There / These / They)3 …………..  carried out an experiment to explore what different (positions / distances / areas / backgrounds)4 ………….. on the Earth look like from space - and prove that you don’t have to use expensive equipment as the textbooks say.’

Seventeen-year-old student Miguel reported, ‘We’d spent long (times / hours / ages / days)5 ………….. working on the experiment after school, but then had to put it (off / down / out / up)6 …………..  due to the weather. Then we were worried that the balloon (shouldn’t / needn’t / mustn’t / wouldn’t)7 …………..  rise higher than 10,000 metres, which wasn’t (quite / so / rather / very)8 ………….. high enough for our experiment. But in the end it wasn’t a problem. And (unless / although / because / if)9           …………..  the balloon had travelled so far, it was still working when it returned! So we’ve learned that in (true / actual / normal / real)10 …………..  life, experiments don’t always have to follow the textbooks!’

Đỗ Thanh Hải
16 tháng 7 2021 lúc 10:00

1 amount

2 above

3 they

4 backgrounds

5 times

6 off

7 wouldn't

8 quite

9 although

10 real

Nguyen Hoang Khanh Anh
16 tháng 7 2021 lúc 10:04

1. Amount

2. Among

3. They

4. Area 

5. Days

6. Up

7. wouldn't

8. Quite

9. Although

10. Normal


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