Pete收到了$50作为生日礼物。在用这笔钱时他有四个选择:选项A、选项B、选项C和选项D。每个选项需花费$50。最后他选择了B选项。这项选择的机会成本是()。
A.如果他不选B选择其他选项的价值
B.包含了A、C、D三个选项的价值
C.$100
D.$50
A.如果他不选B选择其他选项的价值
B.包含了A、C、D三个选项的价值
C.$100
D.$50
A.政府捐助
B.个人捐款
C.企业捐助
D.基金会捐款
E.出售商品的收益
A.100%;-50%
B.100%;-100%
C.50%:-50%
D.100%;50%
A.属于乙的婚前财产
B.属于乙和丙的共同财产
C.归二人共同所有
D.根据甲的意思确定所有权属
A.28811.99
B.36554.11
C.22464.79
D.17318.09
根据下面材料,回答题。
Calfing for Safe Celebrations
Last Fourth of July, Pete, a 14-year-old boy, was enjoying the lit-up skies and loud booms from the fireworks (烟花) being set off in his neighborhood. Suddenly, the evening took a terrible turn. A bottle rocket shot into his eye, immediately causing him terrible pain. His family rushed him to the emergency room for treatment. As a result of the injury, Pete developed glaucoma (青光眼) and cataracts (白内障). Today, Pete has permanent vision loss in his injured eye because of his bottle rocket injury.
June is Fireworks Eye Safety Awareness Month, and through its EyeSmart campaign, the American Academy of Ophthalmology (眼科学) wants to remind consumers to leave fireworks to professionals (专业人员). "There is nothing worse than a Fourth of July celebration ruined by someone being hit in the eye with a bottle rocket," said Dr John C. Hagan, clinical correspondent for the Academy and an ophthalmologist at Discover Vision Centers in Kansas City. "A safe celebration means letting trained professionals handle fireworks while you enjoy the show."
According to the U.S. Consumer Product Safety Commission, more than 9,000 fireworks-related injuries happen each year. Of these, nearly-half are head-related injuries, with nearly 30 percent of these injuries to the eye. One-fourth of fireworks eye injuries result in permanent vision loss or blindness. Children are the most common victims of firework abuse (伤害), with those fifteen years old or younger accounting for 50 percent of fireworks eye injuries in the United States. Dr Hagan estimates that his practice sees more than 30 injuries each year from fireworks.
Even fireworks that many people consider safe represent a threat to the eyes. For children under the age of five, apparently harmless sparklers (花炮) account for one-third of all fireworks injuries. Sparklers can bum at nearly 2,000 degrees Fahrenheit (华氏).
What happened to Pete last Fourth of July? 查看材料
A.He was burned in a house fire
B.He was hurt in a fight
C.He was caught in a heavy rain
D.He was hit in the eye
下列各项属于财产所有权原始取得的是
A.张三送给今年刚满10岁的小刚一辆自行车作为生日礼物
B.李四继承父亲的一处房子
C.王五的50000元存款共得利息1000元
D.10岁的孙六把爸爸给买的毛毛熊送给小朋友
A.泰克公司发现安娜接到了奖学金,那么必定是有人告发了她
B.安娜想要奖学金的原因使她辞去在泰克公司的工作
C.泰克公司不允许它的任何雇员请假,为它的一个竞争者工作
D.如果泰克公司允许她请假,那么安娜将请假
A.超级市场部仅有14个雇员交了报销单据,报销了至少8700元
B. 公关部最多只有3个雇员交了报销单据,总额不多于2600元
C. 后勤部至少有8个雇员交了报销单据,报销总额为5234元
D. 会计部至少有4个雇员交了报销单据,报销了至少2500元
A.超级市场部仅有l4个雇员交了报销单据,报销了至少8700元
B.公关部最多只有3个雇员交了报销单据,总额不多于2600元
C.后勤部至少有8个雇员交了报销单据,报销总额为5234元
D.会计部至少有4个雇员交了报销单据,报销了至少2500元
A.超级市场部仅有14个雇员交了报销单据,报销了至少8700元
B.公关部最多只有3个雇员交了报销单据,总额不多于2600元
C.后勤部至少有8个雇员交了报销单据,报销总额为5234元
D.会计部至少有4个雇员交了报销单据,报销了至少2500元
请问:此种情形下,调解协议书是否有效?理由何在?