题型：填空题 I bought a dress for only 10 dollars in a sale ;it was a real _______.A．exchangeB．bargainC．tradeD．business 查看答案
题型：填空题 用方框中所给的适当形式填空。final, strange, worry, konwledge, correct1. Sometimes talking to is dangerous.2. he went to see the famous man himself.3. Peter looked and left the room without any words.4. My pronunciation is not . Would you like to help me with it?5. John is very _ about classical music. 查看答案
题型：填空题 中央谷地是纵贯美国加利福尼亚州中部的平原，南北长约720公里，东西宽约60—100公里，是加州重要的农业区。下图为部分谷地水系分布图，回答下列各题。与谷地东侧河流相比较，西侧河流的主要特征是（）A.结冰期短较短B.水能资源丰富C.夏季有冰雪融水补给D.径流量季节变化较大 查看答案
