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【多选题】
带传动工作时,带的环形内表面与轮缘接触,带轮( ),而且带比较薄,挠曲性能好,适用于高速运转。A.
结构复杂
B.
制造精度高
C.
结构简单
D.
容易制造
E.
价格高
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举一反三
【单选题】Which part in the culture onion is like what is illustrated in the culture iceberg above the waterline?
A.
the outer layer
B.
the middle layer
C.
the inner nucleus
D.
both A and B
【单选题】The author suggests that Japan leads the world in the mobile-phone culture in that
A.
the Japanese are the earliest mobile phone users
B.
the Japanese are the chattiest mobile phone users
C.
the Japanese use mobile internet early on
D.
Japan provides the best mobile phone services
【简答题】There are many things that we do in our own culture that we never ask questions about. We do things without thinking about them because we have always done them in the same way. When we are in another...
【简答题】设文法G[S]为: S→aAcB A→Ab|b B→d 问: 1) 该文法是否可改造为LL(1)文法,为什么? 2) 若该文法是LL(1)文法,请构造相应的LL(1)分析表。如果不是请改造为LL(1)文法,再构造LL(1)分析表;
【判断题】In Western culture, you can start eating as soon as the food is served in front of you. 2. At table, you can speak loudly and laugh all the time. 3. The custom of toasting in Western culture is to fin...
A.
正确
B.
错误
【简答题】Exercise 2 Fill in each blank with the proper form of the word given in the brackets. 1. This store sells a wide range of (cosmetic) _____________ at a very low price. A wide range of (被动句) __________...
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