题目

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

考点:概括段落和补全句子

本段主要讲述了在研究北半球的纬度、雪覆盖面和日照诸因素与气温升高的关系方面所取得的成果。

多做几道

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

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