Scientists generally agree that earth’s climate will warm up over the next 50 to100 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
第二部分:英语知识运用(共两节,满分45分)
第一节:单项填空(共15小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21.The bird ______ its wings and flew to the south.
A. beat B. hit C. strike D. Struck