【多选题】荧光染料在488nm激光下发出荧光颜色有( )
【简答题】A company’s days of sales outstanding (DSO) decreased, while its cost of goods sold (COGS) relative to sales and receivable remain unchanged.The company’s gross profit will: A.Decline. B.Increase. C.R...
【简答题】While domestic sales rose slightly on the previous month, foreign sales fell, end this led to a slight drop in profits.
【单选题】When he says in Paragraph 5, 'While states give up sales tax, they usually break even on sales-tax collection' , J. Craig Shearman actually means that______.
A.
a vice-president at the National Retail Federation can say whatever he or she likes
B.
only when a state gives up sales tax can it achieve break even in collection of taxes
C.
tax losses are nothing for a state since serious shoppers buy more than just clothes or shoes
D.
when people come to buy sales-tax-free items, they will buy other things that are still taxed
【单选题】关于冷暖两用空调,下列说法错误的是
A.
冷暖两用空调的叶片可以任意调整,冬夏使用调整在哪个方向都可以
B.
冷暖两用空调的叶片可以任意调整,冬天使用时应该将叶片向下,让暖风向下吹
C.
冷暖两用空调的叶片可以任意调整,夏天使用时应该将叶片向上,让冷风向上吹
D.
空调汽车和火车的冷暖空调吹风分别采用上下出风口来实现
【简答题】While domestic sales rose slightly on the previous month, foreign sales fell, and this led to a slight drop in profits.
【单选题】关于冷暖两用空调,下列说法错误的是
A.
冷暖两用空调的叶片可以任意调整,冬夏使用调整在哪个方向都不影响效果
B.
冷暖两用空调的叶片可以任意调整,冬天使用时应该将叶片向下,让暖风向下吹
C.
冷暖两用空调的叶片可以任意调整,夏天使用时应该将叶片向上,让冷风向上吹
D.
空调汽车和火车的冷暖空调吹风分别采用上下出风口来实现
【简答题】Income from sales reached a low point in June while income from advertisements levelled off at the end of the period.
【单选题】The professional sales team of the company can help s to______.
A.
save money while eating in London
B.
do sightseeing at a lower price
C.
get free special private services
D.
enjoy free shopping trips