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【单选题】
已知函数f（x）=sinx+lnx，则f′（1）的值为（ ）A.
1-cos1
B.
1+cos1
C.
cos1-1
D.
-1-cos1
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【单选题】While delivering our presentation, we should ____________________.
A.
use as many slides with text bullet points and multiple fonts as possible
B.
use lots of unexplained technical jargon to make us sound wise
C.
recite our speech from our memory
D.
make eye contact with the audience
【简答题】安全气囊的使用注意事项
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【单选题】Another grand bridge will be built _____ the Pearl River in our city.
A.
along
B.
up
C.
on
D.
Across
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【单选题】企业可以借助互联网将不同的营销活动进行统一规划和协调,以统一的资讯向消费者传达信息,同时,企业还可以将营销活动的全过程在网络上实现。这体现了网络营销的下列哪个特点
A.
超前性
B.
互动性
C.
高效性
D.
整合性
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