【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。
【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. [ ]
【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.
【判断题】心理物理学方法是研究和揭露主观如何反映客观存在的一种手段。()
【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...