تست درس 3 پیش

 1. Factories ……. coal and oil help increase pollution.

1) burned         2) burning        3) which burned      4) which burning

2. This is the time of year ……… there are good fruits .

1) in which         2) when        3) that              4) 1 , 3

3. He didn’t tell me the reason …….. he always goes to bed late.

1) whom         2) why             3) where        4) that

4. Most plastics ……… from oil are difficult to recycle .

1) made      2) making        3) that made     4) that are making

5. Solar energy ……… from the sun can be used to make electricity .

1) that come     2) coming         3) came           4) comes

6. Which sentence is grammatically wrong ?

1) students whose native language is English do not study here.

2) The man whom I was just talking is my teacher.

3) The man whose car is blue is rich.

4) The place where gases are trapped is called atmosphere.

7. Scientists are …. about global warming … by human activities .

1) concern – caused               2) concerned – caused

3) concerning – causing         4) concerned – causing

8. Global warming ……. The earth’s temperature is dangerous .

1) increases      2) from increasing       3) increased       4) increasing

9. Scientists believe that human activities like producing ………... make the earth warmer.

1) trash              2) inaction         3) methane      4) farming

10. They were ……… in the burning building . They asked for help.

1) reduced        2) recognized   3) trapped        4) released

11. Climate is the average of a .….’s weather over a period of time .

1) level         2) atmosphere     3) field           4) region

12. Changes in the amounts of rainfall of snowfall may change the …….. of weather in a region.

1) environment          2) pattern       3) climate         4) sea level

13. Some materials like cans, bottles, plastic bags can be ………. .

1) recycled         2) attributed     3) trapped         4) omitted

14. Oil problem is a ……… issue. All countries need it.

1) concerned       2) recycled       3) global         4) solar

15. Cars cause…… and release many greenhouse gases into the air.

1) pollution         2) carbon dioxide        3) temperature             4) gasoline

16. Pollution has made many rivers lifeless. Many kinds of fishes are in danger of …….

1) expression         2) extinction    3) presentation        4) projection

17. Scientists believe that ………. of trees would lock up carbon dioxide in the atmosphere .

1) growing           2) increasing    3) felling          4) farming

18. This kind of poem is usually ……. to Hafez.

1) recognized         2) included      3) speculated     4) attributed