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 A
ge．
| A．as long as | B．as much as | C．as soon as | D．as well as |
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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．as long as | B．as much as | C．as soon as | D．as well as |
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