- Kiểm tra 15 phút lần 1 HKII - tiếng Anh 11 mới (...
-   Câu 1 :  A layer of greenhouse gases -  primarily water vapor, and carbon dioxide – acts as a _______ blanket for the Earth, absorbing heat and warming the surface.  A thermal B hot C heat D heating 
-   Câu 2 :  Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse _______.  A causes B effect C gas D damage 
-   Câu 3 :  Certain _______ in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.  A effect B emissions C gases D layers 
-   Câu 4 :  Carbon is released through ______ processes such as respiration and volcano eruptions and through _______ activities such as deforestation, land use changes, and burning fossil fuels.  A human – natural B natural – human C man-made – ordinary D ordinary – man-made 
-   Câu 5 :  A strong greenhouse effect will warm the oceans and partially melt glaciers, increasing _______.  A temperature B sea water C sea level D pollution 
-   Câu 6 :  Ocean water also will expand if it warms, _______ further to sea level rise.  A getting B making C leading D contributing 
-   Câu 7 :  The clearing of land for agriculture, industry and other human activities have increased _______ of greenhouse gases.  A concentrations B attention C lots D collections 
-   Câu 8 :  Humans _______ atmospheric carbon dioxide concentration by a third since the Industrial Revolution began.  A increase B have increased C had increased D were increasing 
-   Câu 9 :  _____ the desalination plant, the company could offer an effective solution to the problem of water scarcity.  A To build B Having built C Being built D Having been built 
-   Câu 10 :  The public praised the local farmers for _______ millions of trees on the surrounding hills.  A plant B being planted C being planting D having planted 
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