【单选题】【 2017 下真题】设计化学问题要合理把握难度,让学生“跳一跳才能摘到桃子”这种侥幸设计主要遵循的是
【单选题】设计化学问题要合理把握难度,让学生“跳一跳才能摘到桃子”。这种教学设计主要遵循的是( )
【单选题】用户处理numpy的ndarray对象时,可以改变数组维度。下列描述中错误的是
A.
resize 方法不能修改原 ndarray 数组
B.
reshape 方法不能修改原 ndarray 数组
C.
flatten 方法不能修改原 ndarray 数组
D.
ndim属性表示 ndarray 数组 的维度
【简答题】读 '中国政区图',回答问题(12分) (1)写出下列数码所代表的省区的名称:①________ ②__________ (2)写出下列数码所代表的省区的简称:③___________④___________ (3)写出下列数码所代表的省区的行政中心名称:⑤__________⑥__________ (4)北回归线自西向东穿越的省区的简称依次是_______ 、________ 、_______ ...
【单选题】Once people wore garlic around their necks to ward off disease. Today, most Americans would scoff at the idea of wearing a necklace of garlic cloves to enhance their well-being.However,you might find ...
A.
a senior citizen suffering from chemotherapyinduced nausea
B.
a young woman suffering from chronic fatigue syndrome
C.
a 45-year-old man who believes that his body and mind must be treated together.
D.
a 25-year-old track star with chronic back pain
【判断题】日照长度在8-12h促进成花或开花,长日照条件下不开花或延迟开花。
【多选题】电工材料按照它们导电能力,一般可以分为如下几种?
【简答题】完形填空(共20小题;每题1分,满分20分) 阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。 James was a curious young man. Everywhere he went, he liked to observe things and to __21__ people—what they did, what they said a...
【单选题】The stockings that the young man wore were ______.