甲基苯丙胺又称甲基安非他明，为无色透明结晶体，形似冰糖，所以又名“冰毒”还称为去氧麻黄碱。
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麻古，俗称“麻谷”，“麻果”。
A. 对
B. 错
9.What does the title “Even in Real Life There Were Screens Between “Us” mean ?
A. in real life, we don’t know each other well
B. in real life, we have many things in common
C. there is much misunderstanding among us
D. computer screens keep us away from each other
What can we learn from the story of Text A? .
A. we don’t really know others by the Internet
B. people are fond (喜欢) of making friends online
C. computers are more helpful than telephones
D. chat box is very important in making friends
翼锭粗纱设备的加捻点是（ ）。
A. 锭翼顶孔
B. 锭翼侧孔
C. 锭翼空心臂下端
D. 锭翼上压掌
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