皮皮学，免费搜题
登录
搜题
【单选题】
以学生为观察单位,检查学生大便中蛔虫卵的有无属于A.
定量资料
B.
二项分类资料
C.
无序多分类资料
D.
有序多分类资料
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】It contains the headstock spindle, which is rotated by gear or by a combination of .
【单选题】The _____ is rotated as the piston is pushed down by the pressure above it.
A.
crankpin
B.
crankshaft
C.
break
D.
crankcase
【简答题】There is an advertisement blow. As an Internet retailer, your business depends on online marketing programs to drive targeted traffic to your website. It also depends on efficiently converting that tr...
【简答题】我国旅游业的真正起步是从_________________(时间)努力开拓入境旅游市场开始的。我国的国内旅游市场初步形成的时间是_________________。我国出境旅游市场到(时间)_________________才发展起来。
相关题目：