题目: 系统的基本属性不包括()。A.整体性B.独立性C.动态性D.目的性E.层次性 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0907/2f52f715a9d97e04f49bfaa0f20b85ab.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:单项选择题 The nurse is caring for a toddler with Down syndrome. To help the toddler cope with painful procedures, the nurse can()A. prepare the child by positive self-talk.B. establish a time limit to get ready for the procedure.C. hold and rock him and give him a security object.D. count and sing with the child. 查看答案
题型:填空题 如图将一金属薄片垂直置于磁场B中,在薄片的两个侧面a、b间通以电流I时,另外两侧c、f间产生电势差,这一现象称为霍尔效应。且满足U=kIB/d,式中d为薄片的厚度,k为霍尔系数。回答下列问题(1)关于c、f两侧面哪面的电势较高? (填 c或f );(2)其他条件不变,只增加磁感应强度B的大小,霍尔电压Um会怎样变化? (填增大或减小) 查看答案
题型:选择题 Those who________the plan tried to persuade those who didn't agree to it. [ ]A. was against B. was forC. were against D. were for 查看答案