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听力原文:Woman: Welcome to this week's book programme. We've got lots of great new books to tell you about. My life, by Joe Wrigley, will keep all fans of Joe's stories happy for hours. It explains a lot about where his ideas come from and gives a picture of what was happening in his life when he was working on his most successful books. I must say, though, that some of it is difficult to understand if you haven't read his other books. Now, for those of you who like a good cry, Goodbye to the fields, by Susan Marks, tells the sad story of John, a small boy who has to leave the countryside he loves when the family move to London because of his father's job. John and his mother would prefer to stay where they are. It's a long time before the family begins to feel comfortable living in the big city. There are plenty of books with helpful advice this week. First, the A-Z of photography would make a great present for anyone just starting out with a camera. It has everything you need to know to take really good photos, and learn about cameras, film, lighting and so on. This is not one for the experienced photographer, though — there's not much advanced information here. Turning to the kitchen, Cooking for one, by Adrian White, says on its cover that even people who hate cooking will find it useful. A month ago, I couldn't even boil an egg, but now I'm producing all sorts of dishes, some quite difficult, and, yes, they taste quite good, too. I'rn actually enjoying cooking now. I'm now going to try a new book about cooking Italian food. The last book this week is Holidays in Europe, by Mary Curtis. This is an enjoyable read, which will start your imagination working as you plan for next year's holiday. It doesn't matter that the writer doesn't talk about the famous places everyone visits, but describes lots of small places away from the main tourist areas. The maps are too small to be useful but the book is still good value for money. That's it for this week, then. Next week, there's a special report on giving books as presents, so if you've saved up your money and you're wondering what to get for a friend or relation for their birthdays, you might get some good ideas. I'll look forward to talking to you then. To really understand My life you need to
A.
read it very slowly.
B.
know about the writer's life.
C.
read the writer's other books.
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【单选题】数据加工之前一般需要做数据清洗,数据清洗工作不包括
A.
删除不必要的、多余的、重复的数据
B.
处理确实的数据字段,做出特殊标记
C.
检测有逻辑错误的数据,纠正或删除
D.
修改异常数据值,使其落入常识范围
【单选题】防止和减少焊接变形的工艺措施中减少了变形而内应力却增大的措施有( )
A.
反变形法和加工余量法
B.
使焊缝尽量对称分布
C.
使焊缝焊接次序合理
D.
采用刚性夹持法
【单选题】数捱加工前一般需要做数据清洗。数据清洗工作不包括
A.
删除不必要的、多余的、重复的数据
B.
处理缺失的数据字段,做出特殊标记
C.
检测有逻辑错误的数据,纠正或删除
D.
修改异常数据值,使其落入常识范围
【单选题】精馏塔引入回流,使下降的液流与上升的汽流发生传质,并使上升汽相中的易挥发组分浓度提高,最恰当的说法是由于 ________ 。
A.
、液相中易挥发组分进入汽相;
B.
、汽相中难挥发组分进入液相;
C.
、液相中易挥发组分和难挥发组分同时进入汽相,但其中易挥发组分较多;
D.
、液相中易挥发组分进入汽相和汽相中难挥发组分进入液相的现象同时发生。
【简答题】感性认识向理性认识飞跃的条件是具有天赋的聪明才智。( )
【简答题】将有源一端口电路等效成实际电压源形式,应用__定理;等效成实际电流源形式,应用__定理。
【单选题】数据清洗工作不包括( )
A.
删除多余重复的数据
B.
采用适当方法补充缺失的数据
C.
纠正或删除错误的数据
D.
更改过大的和过小的异常数据
【简答题】感性认识向理性认识飞跃的条件是具有天赋的聪明才智。( )
【单选题】数据加工前一般需要做数据清洗。数据清洗工作不包括
A.
删除不必要的、多余的、重复的数据
B.
处理缺失的数据字段,做出特殊标记
C.
检测有逻辑性错误的数据,纠正或删除
D.
修改异常数据值,使其落入常识范围
【单选题】数据加工前一般需要做数据清洗。数据清洗工作不包括( )。
A.
删除不必要的、多余的、重复的数据
B.
处理缺失的数据字段,做出特殊标记
C.
检测有逻辑错误的数据,纠正或删除
D.
修改异常数据值,使其落入常识范围
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