皮皮学，免费搜题
登录
搜题
【单选题】
下列事例中，属于利用超声波传递能量的是 [ ]A.
用声呐探测海底深度
B.
手机是利用超声波工作的
C.
医生用听诊器为病人检查身体
D.
用超声波能粉碎人体内的“小石头”
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】Morton Graphics successfully bid on a job printing standard notebook covers during the year using last year’s price of $0.27 per cover. This amount was calculated from prior year costs, noting that no...
A.
Their costs were all variable costs and the amount produced and sold increased.
B.
Their costs were mostly fixed costs and the amount produced this year was less than last year.
C.
They used a different cost object this year than the previous year.
D.
Their costs last year were actual costs but they used budgeted costs to make their bids.
【多选题】元旦到了, Jack的朋友张红给他寄了一张新年贺卡,祝他吉星高照!恭喜发财!愿快乐幸福永相伴! (请将相应的选项A-E填到空里) To (1) _________ I wish you good luck in the(2)________ year. (3)__________ you come into a good fortune ! May the joy and (4)________...
A.
Zhang Hong
B.
happiness
C.
Jack
D.
coming
E.
May
【简答题】理解、把握和建设社会主义和谐社会的关键，在于正确理解、把握和处理（ ）这两种社会运行机制的关系。
【简答题】Biologists estimate that as many as 2 million lesser prairie chickens---a kind of bird living on stretching grasslands—once lent red to the often gray landscape of the midwestern and southwestern Unit...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
