2014年5月8日,我国发布了首台 安检仪,打破了此种人体安检仪只有美国完全掌握核心技术并垄断市场的局面。()
⑴图中与线段AC相等的线段是____;
⑵与线段CD相等的线段是____;
⑶△DEB的周长为____cm.
A. Enjoy your meal!
B. And to drink?
C. Can I help you?
D. How much is it?
E. Here you are.
A:____
B:I want some rice.
B:A box of milk for me,please.
A:That's some rice and a box of milk.
B:____
A:It's ten dollars.
A:Thank you. ____