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【单选题】
Just over 60 percent of the world now has access to the Internet, and in developed countries, there are computers everywhere at work, school and home, and even at our fingertips. But according to the World Health Organization, excessive use of Internet, cell phones, gaming and other platforms can have__1__health consequences, and physicians are still learning how to deal with this troubling trend. “Internet addiction is an illness both __2__and psychiatric. Lately, it has become high in our agendas.” Rahmi Aktepe is the president of Turkish Association of Information Technologies. “It’s __3__ more dangerous than any other type of addictions because we know that other addictions are completely harmful and bad, for example, we advise people to quit cigarette or drug addiction. Internet addiction, on the other hand, is different.”
A.
actually
B.
specific
C.
model
D.
overuse
E.
thoroughly
F.
negative
G.
nation
H.
significant
I.
monitor
J.
positive K. vulnerable L. physical
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参考答案:
举一反三
【单选题】质点振动方向与波的传播方向相垂直,称为( )。
A.
纵波
B.
横波
C.
声波
D.
球面波
【判断题】当介质质点的振动方向与波的传播方向相垂直时,称为纵波。
A.
正确
B.
错误
【判断题】介质中质点的振动方向与波的传播方向互相垂直的波称为纵波。
A.
正确
B.
错误
【判断题】质点振动方向与波的传播方向相垂直的波为纵波
A.
正确
B.
错误
【简答题】Ton frère va-t-il ______ école primaire ?
【单选题】母体的免疫球蛋白能通过胎盘转移给胎儿的是
A.
IgA
B.
IgM
C.
IgG
D.
IgD
【判断题】青藏高原地貌类型多种多样,但没有喀斯特地貌的发育 。
A.
正确
B.
错误
【判断题】和谐不包含矛盾,因而建立和谐社会将会失去发展的动力。
A.
正确
B.
错误
【判断题】介质中质点的振动方向与波的传播方向互相垂直的波称为纵波。
A.
正确
B.
错误
【简答题】Nhiệt độ nhất và thấp nhất là bao nhiêu?A. Nhiệt độ thấp nhất là 14 0 C đến 16 0 C, nhất là 19 0 C đến 22 0 C. B. Nhiệt độ thấp nhất là 15 0 C đến 16 0 C, nhất là 20 0 C đến 22 0 C. C. Nhi...
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