【简答题】三违现象是指()、()、();“四不伤害”是指()、()、()、()。
【多选题】马克思、恩格斯站在无产阶级立场上,运用科学的方法,致力于研究人类社会特别是资本主义社会,第一次揭示了( )和( ),从而对共产主义社会作出了科学的展望
【简答题】完成对话. A : You look __ 1 __ B: Yes. I am. I had a __ 2 __ busy weekend. A: Did you play __ 3 __ s? B: Yes, I __ 4 __ . On Sunday morning, I __ 5 __ soccer on my computer. Then I watched a volleybal...
【单选题】I had nothing to do today boring day! A. B. C. D.
【单选题】下面关于基于最小风险的贝叶斯决策的描述中,错误的是()
A.
最小风险的贝叶斯决策考虑到了不同的错误率所造成的不同损失。
B.
最小错误率的贝叶斯决策是最小风险的贝叶斯决策的特例。
C.
最小风险的贝叶斯决策当中,决策的数量和样本类别的数量一定是相等的。
D.
条件风险反映了对于一个样本 x 采用某种决策时所带来的损失。
【单选题】下列选项中,不属于硬盘存储器主要技术指标的是_____________。
【简答题】听句子,选答语。 ( )1. A. What did you see there? B. I like Beijing a lot. C. How are you? D. I had no classes last week. ( )2. A. Because she was ill. B. Because she didn't go to school. C. Because s...
【简答题】补全对话。 A: Hi, Tina. You look stressed out. B: I am. I had a bad morning. A: Really? 1 2 ? B: Well, first of all I l3 . By the time I 4 up, my brother 5 already 6 in the shower. A: What a pain! B: So...