桑代克提出的三条学习定律是( )。 A．准备律 B．练习律 C．效果律 D．失用律 发布时间：2017-05-04 12:07 │ 来源：www.tikuol.com 题型：多项选择题 问题： 桑代克提出的三条学习定律是( )。A．准备律B．练习律C．效果律D．失用律
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题型：多项选择题 短文填词 Some years ago, SARS broke out in the mainland of China.The situation was so s_______ that there was no time to debate 1. _______who is to b______. The most important thing was to find out the2. _______cause of this _______ (致命的) disease. The government invited 3. _______all the most famous ______(专家) in this field to discuss and quite 4. _______a few suggestions were ______ forward. Some of them picked out 5. _______those suggestions and tested them to see _____ they were helpful. 6. _______Doctor Zhong Nanshan _______(选择) one patient who was badly 7. _______ill and had the new medicine tested on him. _____ his great joy,8. _______the patient recovered! He rushed to his office ______ telephoned to 9. _______the top official, t_____ him this exciting news10. _______ . 查看答案
题型：多项选择题 以下关于TD一HSDPA描述正确的有哪些？（）A、关键技术包括AMC、HARQ、快速调度、高阶调制16QAMB、传输时间间隔（TTI）缩短为5msC、物理层理论峰值速率为单载波2.8MbPsD、HS-SCCH用于承载底层控制信息，如用户调度信息E、HS-SICH用于反馈信道质量和下行数据是否成功解码F、为HS-PDSCH所分配的时隙以资源池形式供多个用户共享 查看答案