皮皮学，免费搜题
登录
搜题
【判断题】
一棵一般树的结点的前序遍历和后序遍历分别与它相应二叉树的结点前序遍历和后序遍历是一致的。A.
正确
B.
错误
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
【判断题】In 1990, U.S. Industrial Outlook broke magazines into three broad categories: consumer magazines (65%), business publications (34%), and farm magazines (1%).
A.
正确
B.
错误
【单选题】Which of the following is true of magazines' current situation?
A.
Magazines face pressures from the Internet only.
B.
Magazines need to spend more on the marketing.
C.
Most readers of magazines are attracted to online services.
D.
Newsstand in America plays a major role in magazine sales.
【简答题】图中零件的右端面相对φ16轴线的（ ）公差为0.1mm。【图片】
【简答题】图中零件的右端面相对φ16轴线的（ ）公差为φ0.1mm。（填写几何公差特征项目）【图片】
【单选题】Tom’s aunt bought him an interesting storybook.He wanted to . [ ]
A.
show it us
B.
show it to us
C.
show us it
D.
show me it
相关题目：