Most significantly, mobile phones _______.

A． enable parents keep a close watch on their kids

B． help keep teenagers safe

C． make parents feel less worried

D． protect teenagers from being attacked

[单选题]C．omputers and mobile phones, playgh they are indeed making our life__________ and more ________have reduced the need for face-to-face cotyr unication.A．easily;effienenlB．easy,efficientC．easy;efficientlyD．easily;efficiently

[单选题]Mobile PhonesMobile phones shouldcarry a label if they proved to be a dange

[单选题]Mobile PhonesMobile phones shouldcarry a label if they proved to be a dange

[单选题]Mobile PhonesMobile phones shouldcarry a label if they proved to be a dange

[单选题]Mobile PhonesMobile phones shouldcarry a label if they proved to be a dange

[单选题]Mobile PhonesMobile phones shouldcarry a label if they proved to be a dange

[单选题]Mobile Phones:ChangeOur LifeIn the case ofmobile phones,change is everythin

[单选题]Mobile Phones:ChangeOur LifeIn the case ofmobile phones,change is everythin

[单选题]Mobile Phones:ChangeOur LifeIn the case ofmobile phones,change is everythin

[单选题]Mobile Phones:ChangeOur LifeIn the case ofmobile phones,change is everythin