皮皮学，免费搜题
登录
搜题
【单选题】
光传输系统由光源、( )、检测器三个部分组成。A.
、光纤传输介质
B.
、光信号
C.
、光栅
D.
、端设备
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】She ______ a strong and positive influence over her friends.
A.
draws
B.
exerts
C.
ensures
D.
expends
【简答题】听录音，给下列图片标上序号，将其序号填入括号里。 ( ) ( ) ( ) ( )
【单选题】听力原文：W: Can you tell me some of your strong points? M: With my qualifications and experience, I feel I am hardworking, responsible and diligent in any thing I do. W: Give me a brief introduction of yo...
A.
Boss and employee.
B.
Teacher and student.
C.
Interviewer and candidate.
D.
Colleagues.
【简答题】你会读绕口令吗？请选词填空，将序号填入题前括号里。 1. We went to Spain in the rain, and to France to buy . [ ] A. shoes B. pants 2. We ate in Turkey and bought in China. [ ] A. turkey; china B. china; turkey
【简答题】听对话，选择相应的图片，将数字序号填入题前括号里。 ( ) ( )
【单选题】We tried to buy a new printer,but the model we wanted was sold out.
A.
too expe nsive
B.
not in the store
C.
in poorcondition
相关题目：
参考解析：
知识点：
题目纠错 0
发布
