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【单选题】
频率低于20Hz的机械振动,人耳不可闻,称为()。
A.
次声波
B.
可闻声波
C.
超声波
D.
机械波
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参考答案:
举一反三
【多选题】下面四组汉字中,属于指事字的有哪些?
A.
B.
C.
D.
【简答题】Once again, the old faithful “1” suffix is most popular. It's as though people know they should mix character types but they take the easy way out instead of choosing truly random numbers and position...
【单选题】The first national park in the United States , including “Old Faithful”, is famous for its, geysers and for its bears and buffalo.
A.
Yellowstone National Park
B.
New York State Park
C.
Mt, Rushmore Park
D.
Little Rock Park
【单选题】What is the name of the 'hot spring' that rests in Yellowstone National Park?
A.
Old Faithful
B.
St. Helens
C.
Everest
D.
Calderda
【简答题】股四头肌远固定时,可使大腿在________处伸直,维持人体的直立姿势。
【多选题】本量利分析的假设条件包括()
A.
成本形态分类假设
B.
相关范围假设
C.
线性相关假设
D.
产销平衡假设
【简答题】a. In how big an area does the Park lie? (within 8,936 sq. km.) b. What are there? (geysers, hot springs galore) c. What is the most famous? (the Old Faithful) d. How does it behave? (spout water, 200...
【多选题】下面属于指事字的有哪些?
A.
B.
C.
D.
【简答题】Yellowstone National Park, established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1,1872, is a national park located primarily in the U.S. state of Wyoming, althou...
【判断题】汉信码可以表示数字、英文字母、汉字信息,不能够表示图像和声音信息。()
A.
正确
B.
错误
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