【单选题】Listen to the video clip again and choose the correct answer to each question. 2. Which of the following protection measures is mentioned in the conversation?
A.
The boxes are reinforced with steel straps.
B.
All the boxes are wrapped up with plastic sheets to be waterproof.
C.
The boxes are filled with foam to release pressure from collision.
【简答题】People wear hats for three main reasons: protection, communication, and decoration. Protection. People first began to wear hats to ___1___ themselves from the climate. In hot, sunny climates, wide-edg...