当某地气温年较差为20℃,地理纬度为30°N时,其大陆度为()k=(1.7⊿t/sinΦ)-20.4
A.1.7
B.47.6
C.19.6
D.20.4
参考答案:B
根据我国海关对进口货物国内市场倒扣价格的估价方法,货物进口后的各项费用及利润综合计算定为完税价格的20%,其计算公式为:完税价格=国内市场批发价/(1+关税税率)(1+消费税率/1-消费税率)(1+增值税率)+20%。()
Why ______ we eat outside ______ we have so much delicious food at home?
A.must; when
B.can; while
C.will; as
D.should; though