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【单选题】
Excel 2010中,要在成绩表中求出数学成绩不及格的人数,则应使用下列的_______函数。A.
SUMIF
B.
COUNT
C.
BLANK
D.
COUNTIF
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【简答题】科学与艺术的关系密不可分。科学是艺术的载体，艺术离不开科学。艺术的科学性表现在：材料的利用、（ ）的多样、装饰的表现。
【单选题】Men have traveled ever since they first appeared on the earth. In primitive times they did not travel for pleasure but to find new places where their herds could feed, or to escape from hostile neighb...
A.
for joy
B.
from necessity
C.
to broaden the mind
D.
to escape from the wild animals
【单选题】How did the primitive people pass the accumulated knowledge on to the next generation?
A.
They wrote the knowledge down on papers.
B.
They had the happy 'few' enjoy it.
C.
They taught it to those who have good memories.
D.
They had every one of tile tribe share it and orally passed it on.
【简答题】In primitive times human beings did not travel for pleasure______(而是为了找到较为宜人的气候).
【简答题】看图，回答问题。 1. Did Mike write an e-mail? ___________________________________________ 2. What did they do? ___________________________________________
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