机械设计基础是高等工科院校机械类相关专业的一门（）。
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机械设计基础A（2）主要研究各种 (）。
A. 常用机构
B. 机器
C. 通用零件
《机械设计基础A(2)》课程主要提供了机械（）的基本知识。
A. 方案设计
B. 结构设计
C. 工艺设计
Listen to a news report and choose the best answer to eachquestion you hear.[音频][音频]
A reporter encouraged people to learn Arabic.
B. A tote bag with Arabic text caused a stir on social media.
C. A product with Arabic features went popular on social media.
D. Arabic language was not as difficult as people thought.
[音频]
A. To terrify passengers on the Berlin subway.
B. To encourage people to fight against terrorism.
C. To encourage people to learn the Arabic language.
D. To change people’s attitude toward the Arabic language and the Arabs.
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