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【单选题】
执行下列语句后,变量 a 和 b 的值分别为 ____________ 。 1. a = 1 2. b = a = a + 1A.
a=2,b=2
B.
a=1,b=1
C.
a=1,b=2
D.
a=2,b=1
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举一反三
【单选题】The number of adult smokers may be ________, but smokers between the ages of 13 and 23 have actually increased by 10 percent over the last 10 years.
A.
shrinking
B.
increasing
C.
condensing
D.
soaring
【单选题】The number of adult smokers may be _______ , but smokers between the ages of 13 and 23 have actually increased by 10 percent over the last 10 years.
A.
shrinked
B.
revised
C.
shrinking
D.
revising
【简答题】The number of smokers may be (shrink)____, but smokers between the ages of 13 and 23 have actually increased by 10 percent over the last 10 years.
【单选题】The number of adult smokers may be ______, but smokers between the ages of 13 and 23 have actually increased by 10 percent over the last 10 years..
A.
sufficient
B.
shifted
C.
shrinking
D.
stable
【多选题】以下哪些外链会影响到网站的权重和收录( )
A.
外链所在的网站域名年龄
B.
外链所在的网站是否被搜索引擎K过
C.
外链网站内容是否和本网站相关
D.
外链是否为垃圾链接
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