Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.
| A．so long as | B．as much as |
| C．as long as | D．as well as |
II. Choose the correct answers after reading the passage.
1.What did the group do first in the morning? They .
| A．went into the forest slowly | B．left the chimp family sleeping in a tree |
| C．observed the family of chimps wake up | D．helped people understand the behaviour the chimps |
20. The American Civil War lasted four years the North won in the end.
| A．after | B．before | C．when | D．then |
19. into use in April. 2000, the hotline was meant for residents reporting water and heating supply breakdowns
| A．Put | B．Putting | C．Having put | D．Being put |
18. As soon as he comes back, I’ll tell him when and see him.
| A．you will come | B．will you come | C．you come | D．do you come |
17. -----Did you tell Julia about the result?
-----Oh, no, I forgot. I her now.
| A．will be calling | B．will call | C．call | D．am to call |