LANGUAGE - CLOZE

Ex 4.17 Put the correct words from the table below in the article.

Scientists may have found (1) ____ answer to the problem of water shortages. It is a new material that collects water from the air. They got (2) ____ idea from a small beetle that lives in the desert in Africa. The deserts of the Skeleton Coast in Namibia are very dry, but the Namib desert beetle is an expert (3) ____ surviving in hot and dry conditions. Its shell is covered (4) ____ small bumps that collect tiny water droplets from the air. The water is enough to keep the beetle (5) ____. Scientists studied the shape and material of the beetle's bumps. They want to use what they found out about the beetle to make their own materials that can collect water from the air. This will help people who live in very dry (6) ____.

The scientists believe this new technology could help in many areas of our life. They said it could be very (7) ____ for power plants and for the heating and air conditioning in airplanes, cars and trains. One of the scientists, Philseok Kim, said: "Thermal power plants, (8) ____ example, rely on condensers to quickly convert steam to liquid water. [Our] design could help (9) ____ up that process and even allow for operation at a higher temperature, significantly improving the (10) ____ energy efficiency." Another scientist, Joanna Aizenberg, said she was looking (11) ____ to the future of getting ideas for new technologies from nature. She said: "Everybody is excited about (12) ____-inspired materials research."

1.	(a)	only	(b)	once	(c)	one	(d)	ones
2.	(a)	their	(b)	them	(c)	they	(d)	these
3.	(a)	at	(b)	by	(c)	as	(d)	to
4.	(a)	in	(b)	on	(c)	to	(d)	as
5.	(a)	life	(b)	alive	(c)	live	(d)	lively
6.	(a)	arena	(b)	arenas	(c)	area	(d)	areas
7.	(a)	useless	(b)	used	(c)	useful	(d)	usage
8.	(a)	from	(b)	on	(c)	to	(d)	for
9.	(a)	speed	(b)	fast	(c)	hurried	(d)	dash
10.	(a)	overly	(b)	overall	(c)	overt	(d)	overact
11.	(a)	behind	(b)	forward	(c)	sideways	(d)	down
12.	(a)	neo	(b)	pre	(c)	bio	(d)	auto