Global warming is mainly _______ by greenhouse gases emission.
A: cause
B: to cause
C: causing
D: caused
A: cause
B: to cause
C: causing
D: caused
举一反三
- Global climate change mainly refers to global warming caused by the increase of ( ). A: Harmful gases B: Noble gases C: greenhouse gases D: Air pollutants
- Global Warming Global warming A mix of ______________ and irregular climate change Cause of global warming ________________: carbon dioxide, water vapor, and methane ________________: using forests as fuel, for building, furniture, etc. The use of __________________ on crops _____________________ Effects of global warming Destruction of important _______________________ systems Loss and endangement of many ___________________________ _______________________________________ Solutions to global warming To reduce gases put into atmosphere Be more _______________, use wind and solar power etc. To in crease greenhouse gases taken out of the atmosphere Planting trees Making changes to the _____________________________
- Global warming is caused by human activities except the greenhouse effect.（ ）
- – Have they found out the _____ of the fire? -- Yes. It was a cigarette end that _____ the fire. A: cause; started B: reason; caused C: causing; caused D: reason; cause
- It rained heavily, ____ severe flooding in the area. A: caused B: causing C: to cause D: and caused