A.cleaning up | B.taking in |
C.wiping out | D.giving out |
A.It’ll get drier and continue to remove CO2. |
B.It’ll remain steamy, warm, damp and thick. |
C.It’ll get warmer and then colder and drier. |
D.There is no exact answer up to present. |
A.It’s important to drill deep down into lake sediments to collect information. |
B.It’s impossible to prove how climate changes in the Amazon rainforest. |
C.It’s hard to collect information for studies of the past climate in the Amazon rainforest. |
D.It’s necessary to have specialized equipment and machinery to study the past |
A.Studies of the Amazon |
B.Climates of the Amazon |
C.Secrets of the Rainforests |
D.Changes of the Rainforests |