The author quotes the example of our ancestors to show that education emerged __________.

[A] when people had enough time

[B] prior to better ways of finding food

[C] when people on longer went hung

[D] as a result of pressure on government

[单选题]The author quotes the example of our ancestors to show that education emergedA．when people had enough time.B．prior to better ways of finding food.C．when people on longer went hungry.D．as a result of pressure on government.

[单选题]The author uses the example of a monkey to argue that robots areA． expected to copy human brain in internal structure.B． able to perceive abnormalities immediately.C． far less able than human brain in focusing on relevant information.D． best used in

[单选题]The author gave an example in the third paragraph in order to( ).A． emphasize the need to place a stronger value on national cooperationB． explain why the American idea has been based on individual freedomC． illustrate the fact that the Americans wil

[单选题]The author uses the example of middleman to showA．market transactions are important in different countries.B．dealers are needed in doing business.C．middlemen can play great role in different transactions and different countries.D．middlemen in differe

[单选题]The author uses the example of caner patients to show thatA． medical resources are often wasted.B． doctors are helpless against fatal diseases.C． some treatments are too aggressive.D． medical costs are becoming unaffordable.

[单选题]The author suggests that our perception of children's psychological devotement was much influenced by ________.[A] the marketing of products for children[B] the observation of children's nature[C] researches into children's behavior.[D] studies of

[单选题]The author and photographer ___________ coming to our university to give a

[单选题]The author and photographer __________coming to our university to give a le

[单选题]In C language，a ( )is a series of characters enclosed in double quotes。A.ma

[单选题]ANC电路指的是（）电路。A .自动噪声抑制B .自动消色C .自动清晰度控制D .自动亮度限制