【单选题】已知某一直线回归方程的判定系数为 0. 36 ,则解释变量与被解释变量间的线性相关 系数为 ( )
【多选题】支气管扩张、肺脓肿和支气管胸膜瘘患者,痰量多时静置后可出现分层现象,自上而下依次为
【单选题】以下关于网络工程需求分析的论述,正确的是( )。
A.
任何网络都不可能是一个能够满足各项功能需求的“万能网”
B.
必须采用最先进的网络设备,获得最高的网络性能
D.
在进行网络需求分析时可以先不考虑系统的扩展性
【多选题】某企业期初资产总额 800000元,负债总额300000元,本月发生了以下 ,款已收存银行,这些产品的成本1500 经济业务 :1销售产品金额20000元 元 ;2用银行存款支付本月的利息费用,金额3000元;3收到投资者追加的投 资 200000元存入银行;4用银行存款偿还到期的借款,金额10000元。假设 本月没有发生别的业务 ,下列说法正确的有()
【单选题】Kingson is big and crowded, which makes it very______.
【简答题】Five years ago, I met her in a shopping center. I was walking through the shop when I saw her. Then she came back to my house with me. After that, we became friends. Once she had to go into hospital t...
【简答题】假设金利公司9月初全部账户余额如下: 银行存款 30 000 长期借款 70 000 应收账款 20 000 应付账款 5 000 原材料 5 000 实收资本 70 000 固定资产 40 000 无形...
【简答题】It was a cold evening and my daughter and I were walking up Broadway.I didn’t notice a guy sitting inside a cardboard box.But Nora did.She wasn’t even four, but she 36 at my coat and said, “That man’s...
【单选题】He suggests that _____. [ ]
A.
I should have a good rest
B.
to have dinner on time
C.
I walking after dinner