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2005年12月23日，A公司与B公司签订一份买卖合同，该合同约定：A公司向B公司购买2000吨螺纹钢材，每吨价格为2800元(含增值税)；由C公司于2006年5月28日一次向A公司交货；A公司在合同签订之日起7日内以银行承兑汇票方式一次付清560万元价款，该银行承兑汇票的付款日期为承兑后6个月。2005年12月28日，A公司向其开户的D银行申请银行承兑汇票承兑，并获该银行同意，同日开出于2006年6月28日付款、金额为560万元的银行承兑汇票。B公司收到该汇票后，即将其背书转让给E公司，以支付所欠货款。A公司为开出上述银行承兑汇票，向D银行交付了该汇票金额 50%的保证金。 2006年5月，因钢材价格上涨，C公司以此为由而未按时向A公司交货。A公司在上述银行承兑汇票付款到期日，末按照约定在D银行开户的账户内存足除保证金之外的280万元承兑金额。正公司持上述银行承兑汇票请求D银行付款时，D银行以A公司未存足承兑金额为由拒绝付款。 要求： (1)A公司与B公司在合同中约定由C公司交货是否符合规定如果C公司不按时交货，A公司应当向谁请求承担违约责任并说明理由。 (2)D银行拒绝向E公司付款的理由是否成立并说明理由。 (3)如果D银行拒绝付款的理由不成立，根据《票据法》的规定，E公司可以请求D银行清偿的款项包括哪些内容
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Can the Internet help patients jump the line at the doctor’s office The Silicon Valley Employers Forum, a sophisticated group of technology companies, is launching a pilot program to test online "virtual visits" between doctors at three big local medical groups and about 6 000 employees and their families. The six employers taking part in the Silicon Valley initiative, including heavy hitters such as Oracle and Cisco Systems, hope that online visits will mean employees won’t have to skip work to tend to minor ailments or to follow up on chronic conditions. "With our long commutes and traffic, driving 40 miles to your doctor in your hometown can be a big chunk of time, "says Cindy Conway, benefits director at Cadence Design Systems, one of the participating companies.Doctors aren’t clamoring to chat with patients online for free; they spend enough unpaid time on the phone. Only 1 in 5 has ever e-mailed a patient, and just 9 percent are interested in doing so, according to the research firm Cyber Dialogue. "We are not stupid," says Stifling Somers, executive director of the Silicon Valley employers group. "Doctors getting paid is a critical piece in getting this to work." In the pilot program, physicians will get $20 per online consultation, about what they get for a simple office visit.Doctors also fear they’ll be swamped by rambling e-mails that tell everything but what’s needed to make a diagnosis. So the new program will use technology supplied by Healinx, an Alameda, Calif-based star-up. Healinx’s "Smart Symptom Wizard" questions patients and turns answers into a succinct message. The company has online dialogues for 60 common conditions. The doctor can then diagnose the problem and outline a treatment plan, which could include e-mailing a prescription or a face-to-face visit.Can e-mail replace the doctor’s office Many conditions, such as persistent cough, require a stethoscope to discover what’s wrong and to avoid a malpractice suit. Even Larry Bonham, head of one of the doctor’s groups in the pilot, believes the virtual doctor’s visits offer a "very narrow" sliver of service between phone calls to an advice nurse and a visit to the clinic.The pilot program, set to end in nine months, also hopes to determine whether online visits will boost worker productivity enough to offset the cost of the service. So far, the Internet’s record in the health field has been underwhelming. The experiment is "a huge roll of the dice for Healinx", notes Michael Barrett, an analyst at Internet consulting firm Forester Research. If the "Web visits" succeed, expect some HMOs (Health Maintenance Organizations) to pay for online visits. If doctors, employers, and patients aren’t satisfied, figure on one more E health star-up to stand down. Of the following people, who are not involved in the program().
No people doubt the fundamental importance of mothers in childrearing, but what do fathers do Much of what they contribute is simply being the second adult in the home. Bringing up children is demanding, stressful and exhausting. Two adults can support and make up for each other’s deficiencies and build on each other’s strength.As we all know, fathers also bring an array of’ unique qualities. Some are familiar: protector and role model. Teenage boys without fathers are notoriously prone to trouble. The pathway to adulthood for daughters is somewhat easier, but they must still learn from their fathers, in ways they cannot from their mothers, such as how to relate to men. They learn from their fathers about heterosexual trust, intimacy and difference. They learn to appreciate their own femininity from the one male who is most special in their lives. Most important, through loving and being loved by their fathers, they learn that they are love-worthy.Current research gives much deeper—and more surprising insight into the father’s role in childrearing. One significantly overlooked dimension of fathering is play. From their children’s birth through adolescence, fathers tend to emphasize game more than caretaking. The father’s style of play is likely to be both physically stimulating and exciting. With older children it involves more teamwork, requiring competitive testing of physical and mental skills. It frequently resembles a teaching relationship: come on, let me show you how. Mothers play more at the child’s level. They seem willing to let the child directly play.Kids, at least in the early years, seem to prefer to play with daddy. In one study of two and half years old who were given a choice, more than two-thirds chose to play with their fathers.The way fathers’ play has effects on everything from the management of emotions to intelligence and academic achievement. It is of particular importance in promoting self-control. According to one expert, "children who roughhouse with their fathers quickly learn that biting, kicking and other forms of physical violence are not acceptable." They learn when to "shut it down".At play and in other realms, fathers tend to lay stress on competition, challenge, initiative, risktaking and independence. Mothers, as caretakers, stress emotional security and personal safety. On the playground fathers often try to get the child to swing ever higher, while mothers are cautious, worrying about an accident.We know, too, that fathers’ involvement seems to be linked to enhanced verbal and problem solving skills and higher academic achievement. Several studies found that along with paternal strictness, the amount of time fathers spent reading with them was a strong predictor of their daughters’ verbal ability.For sons the results have been equally striking. Studies uncovered a strong relationship between fathers’ involvement and the mathematical abilities of their sons. Other studies found a relationship between paternal nurturing and boys’ verbal intelligence. The first paragraph points out that one of the advantages of a family with both parents is ().
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在政府采购合同履行中，采购人需追加与合同标的相同的货物、工程或者服务的，在不改变合同其他条款的前提下，可以与供应商协商签订补充合同，但所有补充合同的采购金额不得超过原合同采购金额的20% 。 ( )
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