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【简答题】
设函数f（x）=2x+3的值域是{-1，2，5}，则其定义域为______．
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举一反三
【简答题】Conversation 2 Questions 5 to 8 are based on the conversation you have just heard.
【简答题】IMSI是区分移动用户的标志,储存在____中,460-01-13-5792-4680的国家码为____,移动网号码为____。在实际网络中为了提高保密性,采用____来临时代替
【单选题】Conversation 2 Listen to the conversation and answer Questions 8-10. 8.
A.
The production plan.
B.
Next year's budget.
C.
The sales of the company.
D.
The opening of a new branch.
【单选题】You will hear eight short conversations. after each conversation there will be a question. Please listen carefully and choose the best answer. conversation1 for question1-2,conversation2for question3-...
A.
Land a space vehicle on the moon in 2019.
B.
Design a new generation of mobile phones.
C.
Set up a mobile phone network on the moon.
D.
Gather data from the moon with a tiny device.
【简答题】Conversation 2 8. A) By ship. B) By train. C) By plane. D) By bus.
【简答题】Conversation 2 Questions 8-10 are based on the conversation you have just heard.
【单选题】Conversation 2 Questions 8 to 10are based on the following conversation. 8-10.mp3: 8.
A.
The size.
B.
The color.
C.
The design.
D.
The price.
【简答题】Conversation 2 Question 5 to 8 are based on the conversation you have just heard
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