WHAT DOES THE SIGN MEAN

17. What does the sign mean?

A. you must not use a camera here.

B. you must not use a mobile phone here

C. you must not turn right.

D. you must wash your hands.

V.Choose the word or phrase (A, B, C or D) that best fits the blank space in the following

passage.

Humans are destroying the Earth’s tropical rain forests. Nearly 80,000 square kilometers are being

destroyed every year. About a quarter of the (17) __________ comes from people cutting trees for fuels.

Another quarter is to make grassland for their cattle. The (18) ___________ trees are cut down to sell

the wood or to start farm.

The population in cities all over the world is growing, and more and more wood is needed to build huge

new buildings. For example, 5,000 trees from the Sarawak rain forest in Malaysia were used to build

just one tall building. (19) ___________ people continue cutting down trees in Sarawak rain forest, all

the trees could be gone in eight years.

The world needs more food, and it seems like a good idea to clear the rain forests and use the land for

(20) ___________. Many people think that the land (21) ___________ these huge, thick forests must be

in rich nutrients, but it isn’t. This is another surprising thing about rain forests. Most of the land in

tropical rain forests is very (22) ___________.