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【判断题】
软枣猕猴桃叶片和茎段外植体都可以用75%酒精消毒
A.
正确
B.
错误
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【单选题】Which of the following is Not true about Northern Ireland?
A.
Northern Ireland is the smallest part of UK.
B.
Apart from political troubles, the crime rate in Northern Ireland is very low.
C.
Because of the poor performance of the economy, the living costs in Northern Ireland is extremely high.
D.
Northern Ireland is now a quieter and more civilized place than it has been for the last thirty years.
【简答题】除病毒外,生物体都是由 ___ 构成的。
【简答题】除生殖细胞外,生物体的体细胞中,染色体是______存在的,基因也是_____存在的。它们一半来自_______,一半来自______,因此,后代个体具有___________的遗传物质。
【简答题】除 ____ 外,生物体都是由细胞构成的。
【单选题】以下有关命题的说法正确的是(        )
A.
命题“若 则 或 ”的逆否命题为“若 或 ,则 ”
B.
若 为假命题,则 均为假命题
C.
“ ”是“方程 表示双曲线的充分不必要条件”
D.
对于命题
【单选题】我国老龄服务业发展的主要思路,错误的是
A.
转变人们的传统的养老观念
B.
政府要加大老年工作的资金投入
C.
建设专业性老年社工队伍和社区志愿者队伍
D.
鼓励机构养老,大力加强养老机构的管理和建设
E.
政府购买服务,培育和发展老年服务组织
【简答题】除生殖细胞外,生物体的体细胞中,染色体是______存在的,基因也是______存在的.它们一半来自______,一半来自______,因此,后代个体具有______的遗传物质.
【单选题】When we we draw air into our lungs. [     ]
A.
drink
B.
laugh
C.
breathe
D.
eat
【单选题】Which of following statement is not true about Northern Ireland?
A.
There are 6 counties in Northern Ireland.
B.
The Good Friday Agreement was approved in 1998.
C.
Northern Ireland is known for its peaceful life.
D.
"Bloody Sunday" is an important symbol of Britain oppression.
【简答题】One can have many experiences, but the one I never forget is my bicycling trip in Taiwan. When we were going to 46 school, my teacher suggested that we could do something special to remember our schoo...
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