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【单选题】
有性生殖对生物的进化有重要意义，下列叙述中不正确的是（  ）
A.
后代具有两个亲代的遗传特性
B.
后代具有更大的生命力
C.
后代具备不受环境影响的特性
D.
后代具有更大的变异性
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【简答题】Starting high school means many changes in your life．Most agers look forward to the first day of high school，but still feel a little bit nervous．In order to make your high school life easier, you ...
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【简答题】Starting high school means many changes in your life. Most agers look forward to the first day of high school, but still feel a little bit nervous. In order to make your high school life easier, y...
查看完整题目与答案
【多选题】M-262. The parents of a 2-year-old client ask how they can help their child cope with hospitalization. Which of the following suggestions should the nurse give the parents? Select all that apply.
A.
Follow as many home routines as possible
B.
Organize a visit from a playgroup friend
C.
Sleep in the child's hospital room at night
D.
Take child on regular visits to the playroom
E.
Tell the child they did not cause the illness
查看完整题目与答案
【单选题】遗传病主要分为三类，其中不包括( )。
A.
Y连锁遗传病
B.
单基因遗传病
C.
多基因遗传病
D.
染色体病
查看完整题目与答案
【判断题】明明兑钱吃了亏却还很高兴,这种扭曲的心态是鲁迅立意联想的基础,从而揭示为奴却欢喜的心态也是要不得的,批判这种愚昧思想和封建专制的不合理。
A.
正确
B.
错误
查看完整题目与答案
【简答题】阅读短文，根据短文内容完成相关任务。 We all have many things to do every day. We study hard at school. We play s after class. We do our homework in the evening. We chat with our parents and friends when we have tim...
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【简答题】仅在线路中起悬挂导、地线的杆塔是 ;支承导、地线张力,并改变线路走向的杆塔是 ;改变线路中三相导线相互位置,减小电力系统正常运行时电流和电压的不对称的杆塔是 。
查看完整题目与答案
【单选题】Passage Two Romance in China is often sacrificed to practicality; dating has largely become a commercial transaction. In Beijing parents gather in parks to introduce their children to one another. Sin...
A.
They are less anxious about marriage.
B.
They are from economically good families.
C.
They learn a lot about pop music and movies.
D.
They follow the tradition of their parents' marriage.
查看完整题目与答案
【单选题】3-24．对普通螺栓进行强度计算时，安全系数的选择与其直径有关，是因为________。
A.
直径小 ， 容易过载
B.
直径大 ， 不容易控制预紧力
C.
直径大 ， 材料缺陷多
D.
直径大 ， 安全
查看完整题目与答案
【单选题】对普通螺栓进行强度计算时,安全系数的选择与其直径有关,是因为( )。
A.
直径小,容易过载
B.
直径大,不容易控制预紧力
C.
直径大,材料缺陷多
D.
直径大,安全
查看完整题目与答案
相关题目：
【简答题】Starting high school means many changes in your life．Most agers look forward to the first day of high school，but still feel a little bit nervous．In order to make your high school life easier, you ...
查看完整题目与答案
【简答题】Starting high school means many changes in your life. Most agers look forward to the first day of high school, but still feel a little bit nervous. In order to make your high school life easier, y...
查看完整题目与答案
【多选题】M-262. The parents of a 2-year-old client ask how they can help their child cope with hospitalization. Which of the following suggestions should the nurse give the parents? Select all that apply.
A.
Follow as many home routines as possible
B.
Organize a visit from a playgroup friend
C.
Sleep in the child's hospital room at night
D.
Take child on regular visits to the playroom
E.
Tell the child they did not cause the illness
查看完整题目与答案
【单选题】遗传病主要分为三类，其中不包括( )。
A.
Y连锁遗传病
B.
单基因遗传病
C.
多基因遗传病
D.
染色体病
查看完整题目与答案
【判断题】明明兑钱吃了亏却还很高兴,这种扭曲的心态是鲁迅立意联想的基础,从而揭示为奴却欢喜的心态也是要不得的,批判这种愚昧思想和封建专制的不合理。
A.
正确
B.
错误
查看完整题目与答案
【简答题】阅读短文，根据短文内容完成相关任务。 We all have many things to do every day. We study hard at school. We play s after class. We do our homework in the evening. We chat with our parents and friends when we have tim...
查看完整题目与答案
【简答题】仅在线路中起悬挂导、地线的杆塔是 ;支承导、地线张力,并改变线路走向的杆塔是 ;改变线路中三相导线相互位置,减小电力系统正常运行时电流和电压的不对称的杆塔是 。
查看完整题目与答案
【单选题】Passage Two Romance in China is often sacrificed to practicality; dating has largely become a commercial transaction. In Beijing parents gather in parks to introduce their children to one another. Sin...
A.
They are less anxious about marriage.
B.
They are from economically good families.
C.
They learn a lot about pop music and movies.
D.
They follow the tradition of their parents' marriage.
查看完整题目与答案
【单选题】3-24．对普通螺栓进行强度计算时，安全系数的选择与其直径有关，是因为________。
A.
直径小 ， 容易过载
B.
直径大 ， 不容易控制预紧力
C.
直径大 ， 材料缺陷多
D.
直径大 ， 安全
查看完整题目与答案
【单选题】对普通螺栓进行强度计算时,安全系数的选择与其直径有关,是因为( )。
A.
直径小,容易过载
B.
直径大,不容易控制预紧力
C.
直径大,材料缺陷多
D.
直径大,安全
查看完整题目与答案
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