题目: The upward pressure of displaced water is called().A.buoyancyB.deadweightC.draftD.freeboard 答案: 参考答案:A
题型:选择题 - The girl __all her pocket money to the people in the Southwest for the serious drought(旱灾). - What a good girl!A. took away B. gave up C. gave away 查看答案
题型:选择题 在上海世博会上中国金币总公司出品的“中国2010年上海世博会世界钱币博览装帧册”尤其受到学生、家长群体的高度关注,被誉为世博“钱币辞典”。如果你想收藏秦朝的货币,应是[ ]A.圆形方孔铜钱B.刀形币C.鬼脸钱D.铲形币 查看答案