下列句子中没有错别字的一项是[ ]
A.娴熟 流水账 售罄 真挚
B.荒谬 扫瞄仪 端详 创意至上
C.延袭 发贴子 诙谐 震耳欲聋
D.化妆 吓马威 攻讦 国粹
答案:A
— Several department stores, including the one we usually go to, ____ sidewalk sales this week
— Let's go and have a look.[ ]
A. is having
B. are having
C. has
D. have had
设备润滑部位不同,则注入润滑油的方式()。
A、相同
B、不同
C、不一定