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飞达公司现有车床25台，已知单台机床的全年有效台时为4,500小时，按计划生产任务计算的机床负荷系数为1.10。 要求： 计算机床预测定额总台时；
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Michael Greenberg is a very popular New Yorker. He is not famous in sports or the arts, But people in the streets 16 him, especially those who are 17 . For those people, he is "Gloves" Greenberg. How did he get that 18 He looks like any other businessman, wearing a suit and carrying a briefcase (公文箱). But he’s 19 . His briefcase always has some gloves。 In winter, Mr.Greenberg does not 20 like other New Yorkers, who look at the sidewalk and 21 the street. He looks around at 22 .He stops when he 23 someone with no gloves. He gives them a pair and then he 24 ,looking for more people with cold 25 . On winter days, Mr.Greenberg 26 gloves. During the rest of the year, he 27 gloves. People who have heard about him 28 him gloves, and he has many in his apartment. Mr. Greenberg 29 doing this 21 years ago. Now, many poor New Yorkers know him and____30____his behavior. But people who don’t know him are sometimes 31 him. They don’t realize that he just wants to make them 32 . It runs in the 33 .Michael’s father always helped the poor as he believed it made everyone happier. Michael Greenberg feels the 34 .A pair of gloves may be a 35 thing, but it can make a big difference in winter. （34）应选（）
In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转) around the earth. An (1)7% did not know which revolved around (2) I have no doubt that (3) all of these people were (4) in school that the earth revolves around the sun; (5) may even have written it (6)a teat. But they never (7) their incorrect mental models of planetary (行星的) (8) because their everyday observations didn’t support (9) their teachers told them: people see the sun "moving (10) the sky as momin8 turns to night, and the earth seems stationary (静止的) (11) that is happening.Students can leant the right answers (12) heart in class, and yet never combined them (13) their working models of the world. The objectively correct answer the professor accepts and the (14) personal understanding of the world can (15) side by side, each unaffected by the other.Outside of class, the student continues to use the (16) model because it has always worked well (17) that circumstance. Unless professors address (18) errors in students’ personal models of the world, students are not (19) to replace them with the (20) one. 8（）
In a telephone survey of more than 2,000 adults, 21% said they believed the sun revolved (旋转) around the earth. An (1)7% did not know which revolved around (2) I have no doubt that (3) all of these people were (4) in school that the earth revolves around the sun; (5) may even have written it (6)a teat. But they never (7) their incorrect mental models of planetary (行星的) (8) because their everyday observations didn’t support (9) their teachers told them: people see the sun "moving (10) the sky as momin8 turns to night, and the earth seems stationary (静止的) (11) that is happening.Students can leant the right answers (12) heart in class, and yet never combined them (13) their working models of the world. The objectively correct answer the professor accepts and the (14) personal understanding of the world can (15) side by side, each unaffected by the other.Outside of class, the student continues to use the (16) model because it has always worked well (17) that circumstance. Unless professors address (18) errors in students’ personal models of the world, students are not (19) to replace them with the (20) one. 20（）
D Low-Cost Gifts for Mother’s Day Gift No. I Offer to be your mother’s health friend. Promise to be there for any and all doctor’s visits whether a disease or a regular medical check-up. Most mothers always say "no need," another set of eyes and ears is always a good idea at a doctor’s visit. The best part This one is free. Gift No. 2 Help your mother organize all of her medical records, which include the test results and medical information. Put them all in one place. Be sure to make a list of all of her medicines and what times she takes them. "Having all this information in one place could end up saving your mother’s life," Dr. Marie Savard said. Gift No. 3 Enough sleep is connected to general health conditions. "Buy your mother cotton sheets and comfortable pillows to encourage better sleep," Savard said. "We know that good sleep is very important to our health." Gift No. 4 Some gift companies such as Presents for Purpose allow you to pay it forward this Mother’s Day by picking gifts in which 10 percent of the price you pay goes to a charity (慈善机构) Gift givers can choose from a wide variety of useful but inexpensive things -many of which are "green" - and then choose a meaningful charity from a list. When your mother gets the gift, she will be told that she has helped the chosen charity. What are you advised to do for your mother at doctor’s visits（）.
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