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【单选题】
建设基于大数据分析的乡村旅游（ ），对游客信息进行管理和分析，根据游客的需求，设计相应的旅游产品。A.
票务管理系统
B.
舆情监测分析系统
C.
客情分析系统
D.
导游监管系统
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】Daniel gets meant and eggs from his chickens . He sells______eggs to his neighbors.
A.
his a few
B.
some these
C.
what any his
D.
a few of his
【简答题】What is the aim of English stylistics?
【单选题】He went to the market and bought __eggs and some meat.
A.
three dozen of
B.
three dozen
C.
three dozens
D.
three dozens of
【简答题】David is in new school this year. He likes to eat at the new school. Monday is “PEN” Day. He can eat pork, eggs and noodles. Tuesday is “CAR” Day. He eats chicken, apples and rice. Wednesday is “KFC” ...
【简答题】He
went to the market and bought eggs and some meat.A. three
dozen of B. three
dozen C. three
dozens D. three
dozens of
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【简答题】简述电火花成形加工的基本条件?
【单选题】What is stylistics?
A.
the study of style
B.
the study of language
C.
the study of figures of speech
D.
the study of rhetorical devices
【单选题】219关于NH3分子描述正确的是( )。
A.
N原子采取sp2杂化，键角为l07.3
B.
N原子采取sp3杂化，包含一条d键三条丌键，键角l07.3
C.
N原子采取sp3杂化，包含一条d键二条Ⅱ键，键角l09.5
D.
N原子采取不等性sp3杂化，分子构形为三角锥形，键角107.3℃
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