Robots will help people with their housework.55.Robots will help people with their housework.

Robots will help people with their housework.55.Robots will help people with their housework.


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It was getting dark.Some children and two Canadian women were still ___21___ on the ice near a big hotel. They were having a good time.Suddenly the ice broke. One water. The children shouted, “Help! Help!” They didn't know what to so. The two Canadian friends heard ___22___ and skated over to get the boy out of the water.The ice was thin. But they tried their best to ___23___ the little boy. They knew they must be quick. If the ice, he would soon die.Many people ran over to help.Some of them had ropes and poles. A young man jumped into the water to save the ___24___ people.The boy and the two Canadian women were out of water at last. One of the women didn't feel well. She was sent to the ___25___ at once. But she felt very happy because the boy was safe.21.A.saveB.hospitalC.threeD.skatingE.them22.A.saveB.hospitalC.threeD.skatingE.them23.A.saveB.hospitalC.threeD.skatingE.them24.A.saveB.hospitalC.threeD.skatingE.them25.A.saveB.hospitalC.threeD.skatingE.them

Does he often _______ his mother ______ the room? A.help, cleansB.help,cleanC.helps, cleaningD.helps, clean

It was getting dark. Some children and two Canadian women were still ___21___ on the ice near a big hotel. They were having a good time.Suddenly the ice broke. One of the boys fell into the water. The children shouted, “Help! Help!” They didn't know what to so. The two Canadian friends heard ___22___ and skated over to get the boy out of the water.The ice was thin. The two Canadians fell into the water, too. But they tried their best to ___23___ the little boy. They knew they must be quick. If they didn't push him up onto the ice, he would soon die.Many people ran over to help.Some of them had ropes and poles. A young man jumped into the water to save the ___24___ people.The boy and the two Canadian women were out of water at last. One of the women didn't feel well. She was sent to the ___25___ at once. But she felt very happy because the boy was safe.21.A.saveB.hospitalC.threeD.skatingE.them22.A.saveB.hospitalC.threeD.skatingE.them23.A.saveB.hospitalC.threeD.skatingE.them24.A.saveB.hospitalC.threeD.skatingE.them25.A.saveB.hospitalC.threeD.skatingE.them

想查看BIFlen的文档信息,输入以下命令()A.helplenB.help--lenC.lenhelpD.help(len)

假设代码中有一个无参数的help函数,那么调用该函数的方法是:() A.helpB.help()C.'help'D.help[]

1.输入命令 在浏览器中显示帮助文档,并学会使用帮助文档。 A. help(solve) B. help.start() C. help() D. data()

3、下面四个函数中,哪一个是正确的帮助函数?A.Help()B.HELP()C.help()D.以上均正确

下面四个函数中,哪一个是正确的帮助函数?A.Help()B.HELP()C.help()D.以上均正确

下面四个函数中,哪一个是正确的帮助函数?A.HELP()B.help()C.Help()D.以上都正确

下面四个函数中,哪个是正确的帮助函数?A.Help()B.HELP()C.help()D.以上均正确