I was impressed _______ the efficiency of the work done in the company

A．) in              B) about            C) with           D) for

[主观题]I have been _____（深深地）impressed by a number of experiences in her life.

[单选题]The visitors are impressed by the hospitality of the local people.A．friendlinessB．banquetC．presentD．capability

[单选题]The visitors here are greatly impressed by the fact that_______ people from all walks of life are working hard for_____ new Jiangsu.A．不填; aB． 不填;theC． the; aD． the; the

[填空题] 键盘I/O、显示I/O和打印I/O分别对应（）、（）和（）号中断。

[名词解释] 惟妙惟肖wéi miào wéi xiāo

[问答题] I/O接口和I/O端口有什么区别？I/O接口的功能是什么？

[单选题]The mechanical efficiency of an engine （） because losses occur in the form of friction.A . is always less than 100%B . is always more than 100%C . is always equal to 90%D . is always less than 90%

[单选题]The efficiency of turbocharge system is increased by fitting a charge air cooler （） the compressor.A . insideB . beforeC . afterD . against

[问答题] 近程I/O与远程I/O区别是什么？

[问答题] 近程I／O与远程I／O的区别是什么？