5. According to the author , the impracticality of using coal , oil shale and coal tars as
sources of energy is due to...
A. their being time consuming B. their being money consuming
C. the scarcity of sources D. the lack of technology
Question 9 :
Choose the best answer (A,B,C or D) to fill in each blank:
It was a Monday morning in the office and , as usual , everyone was busy sorting
through their mail before starting work . The other staff had ( 1 ) ...that Nicky ,
one of the computer operators , has been ( 2 )... rather miserable recently and
they wondered what might have happened to make her so ( 3 )... Suddenly Nicky
accidentally ( 4 )... over a cup of coffee. As she was clearing up the mess , the
girl sitting next to her happened to glance at Nicky's right hand. There was a large
swelling at the ( 5 )... " What on earth have you ( 6 ) ... to yourself ? Does
it ( 7 )...? asked the girl. " Yes , it does. I think I've ( 8 ) ... it using the
computer," replied Nicky. " I think you'd better go and let the doctor ( 9 ) ... it,"
said the girl. " Let's hope there's no permanent ( 10 ) ... to your hand".
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