题目内容：

1.It can be concluded from paragraph 1 that _______.

A.the problem of global warming will have been quite solved by 2020

B.gas emissions have been effectively reduced in developed countries

C.the Paris Agreements is more influential than the Kyoto Protocol

D.humans have made continuous efforts to slow down global warming

2.If nations could only keep the initial promises of the Paris Agreement, what would happen by the year 2100?

A.The human population would increase by one third.

B.Little over 50% of all species would still exist.

C.Nations would not need to tighten their emissions targets.

D.The Agreement’s minimum goal would not be reached.

3.If those island nations not far above sea level are to survive, the maximum temperature rise, since the start of the industrial age, should be_______.

A.0.8℃ B.1.5℃

C.2℃ D.3.5℃