在小分类的价格带配置过程中价格带中的最高价格越高越好。（ ）
查看答案
分类中的最低价格代表了一个分类的价格入口，它并不会限定顾客群体。
A. 对
B. 错
According to the video,how many Canadians get flu every year?
A. 7 million.
B. 17 million.
C. 170 thousand.
D. 700 thousand.
Which of the following is NOT mentioned as a symptom of flu?
A sore throat.
B. A fever.
Coughing.
D. Sleepiness.
According to the video, what is an effective way to stop the chain reaction of the flu?
A. Seeing a doctor.
B. Taking flu medicine.
C. Getting a flu shot.
D. Avoid meeting people.
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