假设的既没有黏性又没有可压缩性的液体是理想液体。（）
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流量指的是单位时间内流过某过流断面的液体的体积，常用的单位为m3/s或L/min。（）
A. 对
B. 错
When asking your client what kind of tourist spots they prefer, which one of the the following expressions can be used?
A. It's the best place to have a distant view of the whole city.
B. Is there any place in particular you would like to go?
C. There are many places of interests in this city,
Which one of the following expressions is often used to introduce natural landscape?
A. There are quite a lot to see here, such as Juzizhou Island and Yuelu Mountain.
B. It is a typical Chinese garden, first built in 1556.
C. It's the best place to have a distant view of the whole city.
Which one of the following expressions is often used to introduce historical site?
A. Do you interested in visiting Hunan Museum?
B. What kind of places do you like to visit? Historical sites or natural landscapes?
C. It is one of the four ancient academies in China, first built in 976 in Song Dynasty.
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