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【单选题】
根据机翼升力和阻力计算公式可以得出,通过增大机翼面积来增大升力的同时:A.
阻力不变
B.
阻力减小
C.
阻力也随着增大
D.
阻力先增加后减小
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【简答题】Assume the demand schedule for cookies is downward sloping. If the price of cookies falls from $1.50 to $1.25 per dozen,
【单选题】Pocoyo bakes cookies and Pato grows vegetables. In which of the following c ases is it impossible for both Pocoyo and Pato to benefit from trade?
A.
Pocoyo does not like vegetables and Pato does not like cookies.
B.
Pocoyo is better than Pato at baking cookies and Pato is better than Pocoyo at growing vegetables.
C.
Pato is better than Pocoyo at baking cookies and at growing vegetables.
D.
Both Pocoyo and Pato can benefit from trade in all of the above cases.
【单选题】Which sentence from the section "Testing Before Tasting" explains WHY the cookies have not been eaten?
A.
The cookies were not eaten in space.
B.
Scientists first need to see if they are safe to eat.
C.
Still, the smell of cookies up in space was worth it for the astronauts.
D.
Astronauts do not have many food choices.
【单选题】Which sentence from the section "Not Eaten But Smelled Great" explains WHY no one has eaten the cookies?
A.
They have not been tested for safety yet.
B.
Nevertheless, the smell of cookies up in space was worth it for the astronauts.
C.
He believes the cookie smell is very important.
D.
Astronauts normally only eat dehydrated or prepackaged food.
【简答题】A small boy at summer camp received a bag of cookies in the mail from his mother. He ate a few, and then put the rest under his bed. The next day, after lunch, he went to his tent to get a cookie. The...
【简答题】登记团体出席人数 做一个简短发言 发表演讲 接受卫生检疫和安检 登机牌 处理特殊情况 无人陪同的孩子们 孕妇 满足一定的要求 获得航空公司的同意 传染病 保留......的权利 航班延误 残疾人 盲人
【多选题】2012年7月5日王某到甲公司上班，但甲公司未与其签订书面合同。对甲公司该行为法律后果的下列表述中，正确的有
A.
甲公司与王某之间尚未建立劳动关系
B.
甲公司应在2012年8月5日前与王某签订书面劳动合同
C.
若甲公司在2012年10月5日与王某补订书面劳动合同，王某有权要求甲公司向其支付2个月的双倍工资
D.
若甲公司在2013年10月5日与王某补订书面劳动合同，王某有权要求甲公司向其支付11个月的双倍工资
【单选题】临时cookies不同于永久cookies，原因在于：（）
A.
临时cookies由第三方设置
B.
临时cookies无法留存三十分钟以上
C.
临时cookies可以被删除，但永久cookies无法删除
D.
当你关闭浏览器时，临时cookies会被删除
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