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【简答题】
简述膳食纤维的生理功能。 2. 平衡膳食宝塔分几层?怎样正确应用平衡膳食宝塔? 3. 食物中毒的处理原则。 4. 平衡膳食的基本要求。
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【单选题】A famous American John Muir said in 1898:'The Grand Canyon...as unearthly in the color and grandeur and quantity of its architecture as if you had found it after death on some other star.' Like Muir, ...
A.
beautiful
B.
roaring
C.
unearthly
D.
devout
【简答题】将下列十进制数转换为二进制数:52 69 2.55 36.5
【单选题】The great Alaskan explorer John Muir once wrote that to have dinner with a glacier on a sunny day is an excellent thing. It is better to sleep beside one, on an Antarctic island, with just a sleeping ...
A.
John Muir.
B.
Lt. Robert Scott.
C.
The tourists.
D.
The author.
【简答题】The great Alaskan explorer John Muir once wrote that to have dinner with a glacier (冰川) on a sunny day is an excellent thing. It is better to sleep beside one, on an Antarctic island,  with just a sle...
【判断题】变压器的联结组别是指变压器一、二次绕组因联结方式不同而形成的对应侧线电压之间的不同相位关系( )
A.
正确
B.
错误
【判断题】顾客的信念并不决定企业和产品在顾客心目中的形象,也不决定他的购买行为。( )
A.
正确
B.
错误
【简答题】专家系统的核心是知识库和_________。
【判断题】John Muir is a conservationist.
A.
正确
B.
错误
【判断题】John Muir helped to establish Yosemite National Park.
A.
正确
B.
错误
【判断题】参量编码,又叫声码化编码,是在信源信号频率域或其它正交域提取特征参量并将其变换为数字代码进行传输,以及在接收端从数字代码中恢复特征参量,并由特征参量重建语音信号的一种编码方式。
A.
正确
B.
错误
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