【单选题】由原子无规则的热运动所产生的谱线变宽称为( )。
【单选题】Guthrie's contiguity principle offers practical suggestions for how to break habits. One application of the threshold method involves the time young children spend on academic activities. Young childr...
【多选题】下列关于信用卡及其业务说法正确的是( )。
【单选题】What is the first speaker's(the female one) opinion about reading?
A.
Reading is a good habit.
B.
Reading is good but not necessary.
C.
Reading will make one feel upset.
D.
Non-readers are hopeless.
【单选题】Why does the writer cite Goethe's advice?
A.
To prove one can change one's habits.
B.
To tell that Goethe had a Strong willpower.
C.
To encourage one to go in for sports.
D.
To demonstrate Goethe was creative.
【判断题】网络支付系统过程涉及客户、商家、开户银行、支付网关、认证机构、支付协议及金融专用网络等。其中开户银行是银行内部及行间进行通信的网络,具有较高的安全性。