【单选题】Listen to the following passage and choose the best answer to each question. 1. What festival was mentioned in this conversation?
B.
The Mid-Autumn Festival
【单选题】下面加工方法中,适合淬硬表面精加工的加工方法是:
【单选题】Listen to the news and answer the following 4 questions. Which is the world’s largest online shopping Festival? ( )
【单选题】下面加工方法中,适合淬硬表面的精加工的加工方法是:
【单选题】我国生产的下列保温材料中,______导热系数最小、保温性能最好。
【单选题】Listen to the news and answer the following 4 questions. Which is the world’s largest online shopping Festival? ( )
【单选题】下面加工方法中,适合淬硬表面的精加工的加工方法是:
【简答题】Listen to the introduction to the Asia
World-Expo and
fill in the blanks.