Question

Choose the correct answer.1) Life on other planets still............ a mystery.A maintainD provesB remains C keeps2) You should always............ new files on your PC.B back up CjustifyA support3) Genes help us............. with illnesses.A fightB winD holdC faceD cope4) How many planets comprise our solarA systemB circleC panelD way5) The company....... a new cell phone on the market. A presented B launched C revealed D started6) Who....... in winning a Nobel Prize in Physics in 1964?A succeededB managedC achievedD accomplished7) That was a great breakthrough in scientific........... A investigation B process C research D trial 8 Check your PC\'s recycle.......... for the lost document.A basketB binC boxD bag9) The Internet is a rich ..............of information.A modelA influenceB power C source D link10) Mobile phones may adversely ............ our brains.B control C injureD affect

Answer 1

1. B remains

2. B back up

3. A fight

4. A system

5. B launched

6. D accomplished

7. C research

8. B bin

9. C source

10. D affect

Answer 2

C remains
B back up
A fight
A system
B launched
C achieved
C research
B bin
C source
D affect