根据燃烧前可燃气体与氧()的不同,燃烧可分为两大类。
A、混合时间
B、混合浓度
C、混合状况
D、混合方式
参考答案:C
用单词的适当形式填空,完成下列短文。
Last week, Jenny and I went to Beijing. We (have) a good time. We (walk) to Wangfujing
Street. We (shop) there. I (want) to buy some gifts for you. I (look) in many shops. I
(talk) to many store clerks.I liked this. Here, it's for you. Do you like it?
下列属于不得领购使用增值税专用发票的单位或个人的是( )。
A.年应税销售额超过小规模纳税人标准的个人
B.年应税销售额在180万元以下的商品批发企业
C.一般纳税人有私自印刷专用发票行为,经税务机关责令限期改正已改正者
D.销售货物全部属于免税项目的