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【简答题】
判定该序列是否为周期性的,如果是则直接写出其周期的数字,如5,若为非周期则写0
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举一反三
【单选题】Ancient Egypt Brought Down by Fami Even ancient Egypt’s mighty pyramid(金字塔)builders were powerless in the face of the famine(饥荒)that helped bring down their civilization around 2180 B.C..Now evidence ...
A.
Because they once worked miracles．
B.
Because they were well—built．
C.
Because they were actually very weak．
D.
Because even they were unable to rescue their civilization．
【单选题】Which of the following statements is CORRECT about the running of the typical Italian family restaurant in the United States?
A.
The couple cook the dishes and the children help them.
B.
The husband does the cooking and the wife serves as the waitress.
C.
The mother does the cooking while the father and children wait on the guests.
D.
A hired cook prepares the dishes and the family members serve the guests.
【单选题】The majority of the nurses are women, but in the higher ranks of the medical profession, woman are in a ______ .
A.
minority
B.
scarcity
C.
rarity
D.
minimum
【简答题】The LAPD had problems in the recent past with ______ in its ranks.
【单选题】关于Scratch程序,以下哪种说法是正确的?( )
A.
使用不同的脚本代码实现方法也可以实现同一功能效果
B.
一种功能只能有唯一的一种脚本代码实现方法
C.
Scratch 不是面向对象的编程语言
D.
放进“脚本区”中的积木或程序段一定会被执行
【单选题】A research revealed that multitasking makes the Generation M______.
A.
distant to their family
B.
selfish and possessive
C.
impolite and ungrateful
D.
feel lonely and pitiful
【单选题】Turn on the television or open a magazine and you ______ advertisements showing happy families.
A.
will often see
B.
often see
C.
are often seeing
D.
have often seen
【简答题】____________________ (就利润而言） ，this corporation ranks first in 2012.
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