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【单选题】
A probability sampling technique in which the sample is chosen by selecting a random starting point and then picking every ith element in succession from the sampling frame is called ________.A.
simple random sampling
B.
snowball sampling
C.
cluster sampling
D.
systematic sampling
E.
succession sampling
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【简答题】短文填空。根据文章大意和首字母提示，填写单词，使短文通顺、完整。每空限填一词。 Soccer is a popular sport. Many s are held in different places every year. The World Cup is the that all the players want to play in. It is held every ...
【单选题】The existence of many competitors in any one market segment may indicate:
A.
an untapped market niche.
B.
the market is saturated.
C.
no one firm has differentiated itself within that market.
D.
a market that has already been tried without success.
【简答题】what is market segment?
【简答题】market segment
【单选题】When the size, purchasing power, and profiles of a market segment can be determined, the market segment is said to be ________.
A.
measurable
B.
accessible
C.
substantial
D.
actionable
E.
observable
【单选题】According to the author, which of the following statements is true?
A.
Soccer is popular all over the world, but truly great players are rare.
B.
Millions of people all over the world are playing soccer, but only six countries have ever had famous stars.
C.
Soccer is played by millions of people all over the world, but only six countries from South America and western Europe have ever had great national reams.
D.
Soccer is one of the most popular games all over the world, but it seems the least popular in North America and Asia.
【简答题】What is a market segment?
【单选题】________ consists of evaluating each market segment's attractiveness and selecting one or more market segments to enter.
A.
Positioning
B.
Mass customization
C.
Market targeting
D.
Market segmentation
【单选题】Which of the following sentences is not related to the topic of the paragraph?"Daredevil sports are also becoming popular. Young people especially are increasingly willing to risk life and limb while ...
A.
Young people especially are increasingly willing to risk life and limb while mountain biking, backgcountry snowboarding, or high-speed skateboarding.
B.
Soccer is also popular in the United States now, although football is still more popular.
C.
One of the riskiest new sports is skysurfing, in which people jump out of airplanes with boards attached to their feet.
D.
Skysurfing rivals skydiving and bungee jumping for the amount of thrills and risk.
【简答题】三位换向阀双边皆装弹簧,如无外来的推力,
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