【单选题】Now let’s watch a clip from this film An Inconvenient Truth, and try to get a global understanding about global warming. After watching the video, choose the best answer to each of the following quest...
A.
The cause of global warming.
B.
How to deal with global warming.
C.
Who are to blame for global warming.
D.
Problems caused by global warming.
【简答题】Someone must get directly across a 160m wide river (from A to B) in the minimum time. The river's current is 0.8m/s, he can row a boat at 1.5m/s, and he can run 3m/s. Try to find the best path he can ...
【简答题】Now let’s watch a clip from this film An Inconvenient Truth, and try to get a global understanding about global warming. After watching the video, choose the best answer to each of the following quest...