皮皮学，免费搜题
登录
搜题
【单选题】
某单频调制的普通调幅波的最大振幅为6V，最小振幅为2V，则调幅系数ma为()A.
0.6
B.
0.4
C.
0.5
D.
0.1
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】Directions: Match the definitions in Column B with the italicized words and phrases in Column A.A. currentB. savingsC. creditD. universityE. confusedF. supposeG. guardH. comfortableI. dormJ. homesick
【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 Questions 8-10 are based on the conversation you have just heard.
【单选题】conversation 2 questions 5 to 8 are based on the conversation you have just heard 5
A.
it is hot now
B.
it was cold this morning
C.
it was hot and suny this morning
D.
it is sunny now
【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
相关题目：