ACCORDING TO THE AUTHOR , THE IMPRACTICALITY OF USING COAL , OIL SH...
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".