A. POWERFUL B. SUBSTANCE ALTHOUGH WEATHER FORECASTING IS NOT C. BA...

10. a. powerful b. substance

Although weather forecasting is not c. basement d. celestial completely accurate, satellites , III. Rewrite the following sentences sophisticated instruments ,& computers making weather prediction are numbers, by using the word provided :but in the end, nature does what it ( 26. Weather (11. create)...by the heat of the please)... We may attempt to predict sun. When the sun shines on the earth, the weather but we can’t control it . air close to the surface (12. heat)... up, IV. Fill in the blank with one missing expands rises . The higher it (13. go)..., the preposition : cooler it(14. become)... Meanwhile , an The growth (27)... population has its area of warmer , low –pressure air forms problems as we shall see. As there are below it .Winds (15. cause)... by air more & more mouths to be fed, there moving form an area of high pressure one comes a great strain (28)... the resources of low pressure . The closer the pressure (29)... a country; this is real (30)... the case centers (16. be)... to each other , & the of developing (31)... countries (32)...the greater the pressure difference between result they are unable to push (33)... them , the stronger the wind (17. be)... economically . As food is not sufficient High- & low- pressure air masses there is chronic (nang luong co chat) travel the globe & cause major weather changes . When a cold, high- pressure malnutrition (34)... these countries polar air mass (18. meet)... an extremely especially (35)... women & children low- pressure tropical air mass, their resulting (36)... weaker population who combination ( 19. produce)... intense would only economically be drain (37).... the country as their productive years will be short. As health & education are the

TEST42

: hsg 12-10-08 State’s affair , they effect the country’s

I. Pick out the underlined word that

finances . So (38)... developing countries

has different pronunciation: