布鲁纳主张学习的目的在于以发现学习的方式,使学科的基本结构转变为学生头脑中的认知结构。因此,他的理论常被称为______。
参考答案:认知--结构论
The CPU does not have to look (66) all of RAM to find the spot it needs. But RAM only (67) the data temporarily. As soon as you switch the computer (68) , all that information disappears from the RAM. When you switch the computer on again, the RAM is (69) , and ready (70) a new program and new data.
(66)处填()。
A.on
B.through
C.for
D.down upon
元素的化合价与其原子核最外层电子数量有关,因此元素化合价的大小是不变的。()