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【单选题】
下列减半征收企业所得税的所得是( )
A.
蔬菜、水果的种植所得
B.
牲畜的饲养所得
C.
远洋捕捞所得
D.
海水养殖所得
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【单选题】伤寒沙门菌的主要致病物质是:
A.
III型分泌系统
B.
微荚膜
C.
内毒素
D.
肠毒素
E.
氧化酶
【单选题】Money spent on advertising is money spent as well as any I know of. It serves directly to assist a rapid distribution of goods at reasonable prices, thereby establishing a firm home market and so maki...
A.
he is firmly familiar with the cost of advertising
B.
everybody know well that advertising is money consuming
C.
advertising costs money like everything else
D.
it is worthwhile to spend money on advertising
【单选题】在平面直角坐标系中,已知直线过点P(-2,1)和点Q(1,4),则直线PQ的斜率是(  )
A.
1
B.
-3
C.
3
D.
2
【单选题】. He spent more than twice as much time on the problem _____ I spent on it .
A.
than
B.
as
C.
less
D.
so
【判断题】十进制数转换成R进制数时,整数部分采用“乘R取整”法,小数部分采用“除R取余”法
A.
正确
B.
错误
【单选题】已知直线 过点(-3,1),且与直线x+4y-2=0平行,则直线 的方程为()
A.
x-4y-4=0
B.
4x-y-4=0
C.
4x-y+13=0
D.
x+4y-1=0
【单选题】______掌握着世界上最为先进的搜索引擎技术,也使中国成为美国、俄罗斯、和韩国之外,全球仅有的4个拥有搜索引擎核心技术的国家之一。
A.
百度
B.
网易
C.
搜狐
D.
腾讯
【单选题】十进制整数部分转换成R进制数采用_____R取余法。
A.
B.
C.
D.
【单选题】I spent five yuan on this pen.  =' I' spent five yuan buying this pen.
A.
by
B.
in
C.
for
D.
on
【单选题】已知直线 过点P(2,1),且与 , 轴所围成的面积为4,则直线 有( )条
A.
1
B.
2
C.
3
D.
4
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