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【单选题】
构成生物体的基本元素是()
A.
B.
C.
D.
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【单选题】在Excel工作表中,正确的公式形式为 。
A.
=B3*Sheet3!A2
B.
=B3*Sheet3$A2
C.
=B3*Sheet3:A2
D.
=B3*Sheet3%A2
【简答题】Microblogging(微博) is sweeping across the world. You Can express your ideas on any topic on it. Of course, you might also make comments(评论) on others' microblogs. The following is Tonv's microblog at E...
【多选题】在Excel中,是Excel正确公式形式的有( )。
A.
=″a″+″b″
B.
=″a″&″b″
C.
=1>2
D.
SUM(A1:F5)
【判断题】生产一单位的某种商品的机会成本是指生产者所放弃的使用相同的生产要素在其他生产用途中所能得到的所有收入。( )
A.
正确
B.
错误
【简答题】A.It is small but delicately built across the harbour. B.It doesn't have any restaurants in it. C.Its foundation is 67 meters above sea level. D.Its roof is supported on about 600 concrete columns.
【简答题】经济林选择育种的方法按亲缘关系可分为 ( ) 、家系内选择和 ( ) ;
【单选题】You can ___ any new words in the dictionary when you come across them.
A.
look up
B.
look through
C.
look after
D.
look for
【简答题】Microblogging(微博) is sweeping across the world. You Can express your ideas on any topic on it. Of course, you might also make comments(评论) on others’ microblogs. The following is Tony’s microblog at E...
【单选题】听力原文:Could you recommend any good place to eat around here? (A) There's one across the street. (B) You need at least one recommendation. (C) Yes, I already ordered my lunch. (31)
A.
B.
【单选题】在链路上产生的时延是( )
A.
发送时延
B.
排队时延
C.
传播时延
D.
处理时延
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