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【判断题】
无论是NPN型或PNP型三极管，万用表测量时的操作都相同。A.
正确
B.
错误
手机使用
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反馈参考答案：
举一反三
【单选题】You _____ phone him if you want to, but you _____! He will surely phone you.
A.
may; mustn’t
B.
have to; needn’t
C.
can; needn’t
D.
can; doesn’t need
【简答题】英译汉：Whenever you phone, remember to smile because the listener feels it.
【简答题】尺寸线不能用其他图线代替，一般也( )与其他图线重合或画在其延长线上。 A不得 B可以 C允许 D必须
【单选题】LYCOS PHONE Welcome Thank you for making LYCOS PHONE your choice of cellular phone while you travel. LYCOS PHONE has provided you with friendly service and easy-to-use equipment for many years. You wi...
A.
To explain how to make a long distance call
B.
To outline services of a cell phone provider
C.
To illustrate the problems related to using a phone overseas
D.
To provide a trouble-shooting service
【单选题】有4段C类地址:195.18.50.0、195.18.51.0、195.18.52.0、195.18.53.0为了使它们组成同一段网络,则掩码是
A.
255.255.240.0
B.
255.255.248.0
C.
255.255.252.0
D.
255.255.254.0
【简答题】This hotline(热线) is ________ 24 hours. You can make a phone call whenever you want.
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