奥鹏20秋季 西交《专业英语》在线作业参考答案.doc

奥鹏 西安交通大学2020年秋季学期在线作业 1119255375

1.I have no doubt (_______) he will overcome all his difficulties．

A.which B.what C.that D.If 【参考答案】: C

2.The ship set out for the (_______) of the ocean depths.

A.exploration B.explosion C.expose D.exposition 【参考答案】: A

3.When Jack arrived, he learned Mary___for almost an hour.

A.had gone B.had been away C.had left D.had away 【参考答案】: B

4.The notebook computers use ( ) as standard display equipment.

A.CRT display B.LCDs C.LED D.TV screen 【参考答案】: B

5.The cold weather (_______) the planting by two weeks.

A.set back B.set forth C.stuck up D.stuck to 【参考答案】: A

6.He ________ very busy this week, he ________ free next week.

A.will be;is B.is;is C.will be;will be D.is;will be 【参考答案】: D

7.What would you like to have, meat or fish? --- (_______) .

A.Either will do B.Yes, I like meat C.Yes, I like fish D.No, they are not my favorite 【参考答案】: A

8.The primary winding is connected to _____.

A.the power source B.the load C.the measurement instrument D.the motor 【参考答案】: A

9.She is a pretty (_______) .

A.animal B.beast C.creative D.creature 【参考答案】: D

10.The discussion (_______) a wide range of subjects.

A.covered B.conveyed C.filled D.concluded 【参考答案】: A

11.Delphi belongs to _____.

A.low-level programming language B.high-level programming language C.a programming language connected with the computer hardware behavior D.an assembly language 【参考答案】: B

12.They have lessons every day (_______) Saturday.

A.except B.except for C.except that D.besides 【参考答案】: A

13.I prefer classic music (_______) pop music.

A.than B.on C.with D.to 【参考答案】: D

14.The overall transfer function is the ratio of the transform of the controlled variable to the transform of ( ).

A.the controlled variable B.the reference input C.the feedback D.the output variable 【参考答案】: B

15.I would die (_______) marry him!\

A.instead of B.rather than C.other than D.more than 【参考答案】: B

16.Must I be home before seven? --- (_______) .

A.No, you needn’t B.No, you mustn’t C.OK D.no, you won’t 【参考答案】: A

17.The process quantizing the continuous values into a binary scale is called ( ).

A.digital-to-analog conversion B.digital-to-digital

conversion C.analog-to-digital conversion D.analog-to-analog conversion 【参考答案】: C

18.The system’s characteristic equation can be used to determine _____ of a linear time-invariant system.