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浮点数的默认精度值是 【3】 。
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M: Have you made any plans to go away during semester break I’ve been thinking of skiing.W: I really haven’t had time to think about my vacation. I’ve been concentrating on getting ready for my exams, especially philosophy. But I’ll probably go to the beach.M: Why the beachW: Well, it would be nice to get away from this cold weather and just lie in the sun and relax after working so hard.M: It’s true that skiing does require work. And you have to get up early and wait in long lines for the chair lifts. Thanks. I think you help me make up my mind.W: Sure. Now maybe you can use your mind to think about something else, like your studies.M: Yeah, just as you said, I should focus more on study now, because the exams of various courses are approaching. If I cannot pass those exams smoothly, I will not have a good time in vacation.W: Absolutely! So now we should put the vacation aside temporarily and make good preparation for the exams. Do you want to go to the library with me nowM: Sure! Let’s go! What has the woman mainly been thinking about().
TextOne of the advantages of taking notes is that it forces you to pay closer attention to the class lecture. If you listen (26) to a professor who is talking on and on for an hour or so, your mind will often (27) and your attention lessen. You arc sitting in class and listening, but that (28) you are doing; (29) when you listen actively you have to pay more careful and (30) attention to what (31) . This is because you are trying to (32) what you bear into an (33) , shortened written form. As a foreign student, you may find (34) very difficult to listen and write notes (35) at the same time. It is difficult (36) , but you will learn how to do (37) with practice. You (38) afraid you will forget what you are listening to (39) you are listening and writing at same time, but the studies of researchers (40) the value of note-taking in (41) lecture material have shown that learners remember (42) reproduced in some note form much better than lecture information they have listened to (43) down in note form. So doing two things at the same time is better than doing one thing. (44) . We do not say it is (45) ; we say it is better. 38().
Java的跳转语句中 【7】 (包含/不包含)goto语句。
M: I really don’ t know what to do this summer. I can’ t afford to just sit around, and there don’ t seem to be any jobs available.W: Why don’ t you try house-sitting Last summer my friend Margaret house-sat for the Dodds when they went on vacation. Mr. Dodd hired Margaret to stay in their house because he didn’t want it left empty.M: You mean the Dodds paid Margaret just to live in their houseW: Yes, but it wash’ t that easy. She had to mow the lawn and water the house plants. And when Eric house-sat for Dr. Cohen, he had to take care of her pets.M: House-sitting sounds like a good job. I guess it’ s little like babysitting - except you’re taking care of a house instead of children.W: The student employment office still has a few jobs posted.M: Do I just have to fill out an applicationW: Margaret and Eric had to interview with the homeowners and provide three references each.M: That seems like a lot of troubles for a summer job.W: Well, the homeowners want some guarantee that they can trust the house sitter. You know, they want to make sure you’ re not the type who’ll leave things around in the house, or move a group of friends in with you.M: House-sitters who do that sort of thing probably aren’ t paid then.W: Usually they’ re paid anyway just because the homeowners don’ t want to make a fuss. But if the homeowner reported it, then the house-sitter wouldn’ t be able to get another job. So why don’ t you applyM: Yes, I think I will. What did the Dodds do when they went on vacation().
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