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【简答题】
原子发射光谱仪通常包括 、分光系统和检测系统三部分。
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皮皮学刷刷变学霸
举一反三
【单选题】Which city under the name of “A City on the Sea”? ( )
A.
Suzhou
B.
Qinghai
C.
Xiamen
D.
Wuzhen
【简答题】Which city does the applicant come from?
【单选题】Before suburbanization which began during the emergence of the industrial city, the city was a small highly compact cluster in which people moved around on foot and goods were ______by horse and cart.
A.
conveyed
B.
surveyed
C.
forwarded
D.
delivered
【单选题】In the United States, which city has the nickname of the Motor City or 'Motown'?
A.
Philadelphia.
B.
Los Angeles.
C.
Chicago.
D.
Detroit.
【单选题】---- Which city will be host city for the next Olympic Games? ---- London.
A.
a
B.
/
C.
the
D.
an
【单选题】Which city is the most populous city and the biggest city in America?
A.
Los Angeles.
B.
New York City.
C.
Chicago.
D.
Houston.
【多选题】评价员较难判断样品间差别时,往往会多次选择放在特定位置上的样品,可以采用以下哪些方式减少评价时对于外界条件产生的干扰,保证试验的可信度。
A.
使为品尝提供的样品在某个位置出现次数相同
B.
递送样品应尽量避免直线摆放，最好是圆形摆放
C.
递送样品应尽量避免圆形摆放，最好是直线摆放
D.
每次重复的试验配置顺序不可随机化
E.
每次重复的试验配置顺序随机化
【简答题】驱动电子商务发展的主要因素有哪些?
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