SI导出单位是用Sl基本单位以()形式表示的单位。
A.运算
B.代数
C.计算
D.数字
参考答案:B
莫扎特在歌剧《费加罗的婚礼》中塑造了第三等人物()的形象。
A.理发师
B.园丁
C.伯爵
D.法官
Speaker A: I need to go to the drugstore. I have a bad cold, and my head is all stuffed up.Speaker B: ().
A. Oh, that’s too bad. I hope you feel better soon.
B. As far as I know, there is a drugstore around the corner.
C. I don’t catch a cold as often as you do.
D. Would you like me to dose the window It’s cold outside.