Paragraph⑦_____ASoot's Role in Climate Changes Above Oceans and LandBObservation-新东方在线职业题库

Paragraph④_____

A

Soot's Role in Climate Changes Above Oceans and Land

B

Observations of Warming in the Northern Hemisphere

C

Explanation of Increased Warming Effect Caused by Soot

D

Black Soot in Snow and Icy Areas Leading to Climate Change

E

Black Soot Contributing to Global Warming

F

Greenhouse Gases as the Main Factor of Global Warming

Paragraph⑥_____

A

Soot's Role in Climate Changes Above Oceans and Land

B

Observations of Warming in the Northern Hemisphere

C

Explanation of Increased Warming Effect Caused by Soot

D

Black Soot in Snow and Icy Areas Leading to Climate Change

E

Black Soot Contributing to Global Warming

F

Greenhouse Gases as the Main Factor of Global Warming

Paragraph⑦_____

A

Soot's Role in Climate Changes Above Oceans and Land

B

Observations of Warming in the Northern Hemisphere

C

Explanation of Increased Warming Effect Caused by Soot

D

Black Soot in Snow and Icy Areas Leading to Climate Change

E

Black Soot Contributing to Global Warming

F

Greenhouse Gases as the Main Factor of Global Warming

In the twentieth century, soot________

A

produces much more global warming than a carbon-dioxide forcing of the same magnitude

B

contributed to 25 percent of observed global warming

C

winter and spring

D

the warming effects increase

E

still surpass soot warming the world's climate during the last century

F

can be seen mostly in the Northern Hemisphere

If snow and ice covered areas begin melting, ________

A

produces much more global warming than a carbon-dioxide forcing of the same magnitude

B

contributed to 25 percent of observed global warming

C

winter and spring

D

the warming effects increase

E

still surpass soot warming the world's climate during the last century

F

can be seen mostly in the Northern Hemisphere