皮皮学，免费搜题
登录
搜题
【单选题】
you get some data from survey ,those data belongA.
primary data
B.
secondary data
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A．He remembers seeing the notes. B．He needs the notes for his biology class. C．The woman can borrow his notes. D．The notes may be in the woman's bookbag
【简答题】A．His notes were never found. B．His notes were left to his sons. C．His notes were found by other violin makers. D．There were not any written notes about his secret.
【简答题】Some people remember the things by writing notes to themselves. Then they leave the notes in obvious(明显的) places, such as on the table or on the floor in the middle of the living room. I don’t think I...
【单选题】Legal tender includes______.
A.
coins only
B.
notes only
C.
notes and coins
D.
notes, coins and checks
【多选题】在更换制动片时需要注意哪些要点?
A.
必须有专用工具压合制动分泵活塞
B.
更换制动片后要消除盘片之间的间隙
C.
在更换时要检查新的制动片是否与旧件一致（大小、规格等）
D.
在更换时要注意报警装置的位置，不可装错
【简答题】A．His notes were never found. B．His notes were found by other violin makers. C．His notes were left to his sons. D．There were not any written notes about his secret.
【简答题】A．He remembers seeing the notes. B．He needs the notes for his biology class. C．The woman can borrow his notes. D．The notes may be in the woman's bookbag
相关题目：