第9题: [单项选择]斑蝥背部革质鞘翅的特点( ) A. 黑色,具3条白色条纹 B. 棕色,具黑色条纹 C. 棕色,具黄白色条纹 D. 黑色,具3条红色条纹 E. 黑色,具3条黄色或黄棕色横纹 参考答案:E 答案解析:斑蝥主要的性状特征为:长圆型,头及口器向下垂。背部具革质鞘翅1对,黑色,有3条黄色或黄棕色横纹;鞘翅下有薄膜状透明的内翅2片。胸腹部乌黑色,胸部有足3对。
A. people preferred to pay by check or credit cards B. creative people gave up suit and tie at work C. "business casual" was no longer the vogue D. suit and tie were only essential for social activities 参考答案:A 答案解析:[定位] 首段首句。 [解析] 首段首句破折号后的along with短语表明现金支付的方式一年前也跟套装和领带一样走向衰落,换句话说,一年前,人们更喜欢通过非现金的方式(即支票或信用卡)支付,