Questions 5 to 7 are based on the conversation you have just heard. Questions 5

－(5)______ on the questions

For questions 1, 2, 3, 4, 5, 8, and 10, there are two right answers. For questions 6 and 7, there is one right answer. For questions 9, there are three right answers. 1. According to Mr. Davis, when will the whole family get together at one house for dinner?

Questions 7 to 8 are based on the passages you have just heard.

Questions 5 to 7 will be based on the following news item.

Questions 5 and 7 are based on the following news report.

以下是目标变量在训练集上的 8 个实际值 [0,0,0,1,1,1,1,1]，目标变量的熵是所少（） A: -（5/8 log（5/8） + 3/8 log（3/8）） B: 5/8 log（5/8） + 3/8 log（3/8） C: 3/8 log（5/8） + 5/8 log（3/8） D: 5/8 log（3/8） – 3/8 log（5/8）

CONVERSATION 2 (Questions 5-8)The woman is working at the campus（5） office.The man can work at least（6） hours a week but not more than （7）hours a week from（8） on. (6) should be filled in （）

the law of the state in which land is situated (lex situs) will be applied to determine all questions of (5) , （5）为

红木分为（）属，（）类，（）种。 A: 5；8；39 B: 5；8；33 C: 8；5；33 D: 8；5；58