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问题 单项选择题

设备制造前供货方提交履约保函和金额为合同设备价格10%的商业发票后，采购方支付合同设备价格的( )作为预付款。

A．2%

B．5%

C．7%

D．10%

答案

参考答案：D

单项选择题

按“船上油污应急计划”规定，船上发生油污染事故时的报警信号是（）。

A．•-•

B．••-

C．••--

D．•--•
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单项选择题

Uncle Li and Uncle Wang are good friends. They live next to each other and their farms are both at the foot of the mountain. So they can help each other. But neither of them likes to use his head. They’re both poor though they work hard. Most villagers have built new houses, but they still live in the low and broken houses. They never find out why.
Once Uncle Li went to the town to buy some medicine for his wife. In the town he heard apples in a city were expensive. He told Uncle Wang about it as soon as he went back. They decided to carry some apples to the city. They borrowed some money from their friends and bought nearly 1,000 kilograms of apples in the villages and carried them to the city on a tractor. Bad luck! A lot of apples has already been carried there when they arrived. A few days later they had to sell them at a low price. They felt unhappy and returned to their village.
"I can’t understand why we sustained (蒙受) losses in business while others always profit (盈利)" Uncle Li asked one day.
"The tractor was too small" Uncle Wang said without thinking. "We’ll carry more apples on a truck next time!"
"I agree!" said Uncle Li. "How foolish we were!\

Uncle Li and Uncle Wang live in the low and broken houses because ______.

A．they hope to save money

B．they’re both poor

C．their farms are at the foot of the mountain

D．they’re not far from their farms
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