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【多选题】
文案调查的特点（）A.
不受时空限制
B.
获取资料速度快
C.
费用低
D.
针对性较差
E.
适用性较差
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： In America alone, tipping is now a $16...
A.
It is to reward the efforts of good service.
B.
It is a promise of on-time service.
C.
It is used to reduce uncomfortable feelings of inequality.
D.
It serves no useful function.
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： In the 18th century French economists ...
A.
Competition in business.
B.
Government grants.
C.
A type of economic policy.
D.
International transportation practices.
【简答题】睾丸的功能有哪些?
【单选题】SECTION B PASSAGES Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow. 听力原文： For shopaholics, the post-Christmas pe...
A.
shops open early in the morning
B.
shops stay open for longer hours
C.
they can buy really cheap things
D.
they can shop with their friends
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