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【简答题】
从集合{1，2，3，4，5，6}中随机抽取一个数为a，从集合{2，3，4}中随机抽取一个数为b，则b＞a的概率是______．
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参考答案：
举一反三
【简答题】A farmer grew some vegetables in his garden. One day his wife was ill and he had no money. He had to sell some cabbages and carrots in the market. The next morning he took two baskets of vegetables to...
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【多选题】产生窜货现象的主要原因是( )。
A.
该市场供应饱和
B.
各地运输成本不同
C.
激励不足
D.
地区差价
查看完整题目与答案
【判断题】根据幼儿消化能力差、胃容积较小的特点，幼儿两餐间隔的时间一般为2小时左右为宜。因此，幼儿每天应安排三餐一般为2小时左右为宜。()
A.
正确
B.
错误
查看完整题目与答案
【简答题】阅读短文，回答问题。 A poor farmer had a friend who was famous for the wonderful apple tree he grew. One day, his friend gave the farmer a young apple tree and told him to plant it. The farmer was pleased with ...
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【多选题】幼儿两餐之间的时间间隔为（　）—（　）小时
A.
3.5
B.
4
查看完整题目与答案
【单选题】幼儿园两餐间隔的时间为()
A.
1-2小时
B.
2-3小时
C.
3-4小时
D.
4-5小时
查看完整题目与答案
【单选题】幼儿的两餐间隔的时间不宜过长或过短,以 小时为宜。
A.
2
B.
3
C.
4
D.
5
查看完整题目与答案
【简答题】A poor farmer had a  friend who was famous for the wonderful apple trees he grew. One day, his friend gave the farmer a young apple tree and told him to plant it.  The farmer was pleased with the gift...
查看完整题目与答案
【多选题】幼儿两餐之间的时间间隔为（    ）小时—（    ）小时。
A.
3.5
B.
4
查看完整题目与答案
【简答题】A poor farmer had a friend who was famous for the wonderful apple tree he grew. One day, his friend gave the farmer a young apple tree and told him to plant it. The farmer was pleased with the gift, b...
查看完整题目与答案
相关题目：
【简答题】A farmer grew some vegetables in his garden. One day his wife was ill and he had no money. He had to sell some cabbages and carrots in the market. The next morning he took two baskets of vegetables to...
查看完整题目与答案
【多选题】产生窜货现象的主要原因是( )。
A.
该市场供应饱和
B.
各地运输成本不同
C.
激励不足
D.
地区差价
查看完整题目与答案
【判断题】根据幼儿消化能力差、胃容积较小的特点，幼儿两餐间隔的时间一般为2小时左右为宜。因此，幼儿每天应安排三餐一般为2小时左右为宜。()
A.
正确
B.
错误
查看完整题目与答案
【简答题】阅读短文，回答问题。 A poor farmer had a friend who was famous for the wonderful apple tree he grew. One day, his friend gave the farmer a young apple tree and told him to plant it. The farmer was pleased with ...
查看完整题目与答案
【多选题】幼儿两餐之间的时间间隔为（　）—（　）小时
A.
3.5
B.
4
查看完整题目与答案
【单选题】幼儿园两餐间隔的时间为()
A.
1-2小时
B.
2-3小时
C.
3-4小时
D.
4-5小时
查看完整题目与答案
【单选题】幼儿的两餐间隔的时间不宜过长或过短,以 小时为宜。
A.
2
B.
3
C.
4
D.
5
查看完整题目与答案
【简答题】A poor farmer had a  friend who was famous for the wonderful apple trees he grew. One day, his friend gave the farmer a young apple tree and told him to plant it.  The farmer was pleased with the gift...
查看完整题目与答案
【多选题】幼儿两餐之间的时间间隔为（    ）小时—（    ）小时。
A.
3.5
B.
4
查看完整题目与答案
【简答题】A poor farmer had a friend who was famous for the wonderful apple tree he grew. One day, his friend gave the farmer a young apple tree and told him to plant it. The farmer was pleased with the gift, b...
查看完整题目与答案
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