【判断题】设 与 复合而得到函数 .若 在点 可导, 对 具有连续偏导数, 则复合函数 在点 可导, 且 。( )
【判断题】出售中的宝贝数量连续 5 周为 0 件,店铺会彻底释放, 店铺会被删除。 系统会发送旺旺及邮件告诉您 “ 店铺已经彻底释放,任何人都可以申请并使用您的店铺名称 ” 。您需要登陆卖家中心操作激活店铺,按照提示完成指定操作,店铺就可重新开张。店铺激活后店铺信誉、装修、订购的服务等都不受影响。
【多选题】定性研究的特点包括()
B.
定性研究一般注重在复杂的心理、文化和社会生活环境中去理解社会现象的意义
D.
定性研究主要采用语义分析和文字描述等分析方法
E.
定性研究常常采用数学符号和形式逻辑的表述方式
【单选题】Since he became one of the accountants of PriceWaterhouse Coopers, Tom has to work day and night. Now, his hard work _____on his stomach.
【单选题】Since he became one of the doctors, Tom has to work day and night. Now, his hard work _____on his stomach.
【单选题】Since he became one of the accountants ofPriceWaterhouse Coopers, Tom has to work day and night. Now, his hard work_____on his stomach.