点线图中的路径是()。

题型:填空题

问题:

点线图中的路径是()。

考点:电子与通信技术通信原理通信原理题库
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二润后烟叶散把率≥()。

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此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

该行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

该行缺一个词:在缺词处加一个漏字符号(^),在该行右边横线上写出该加的词。

该行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

By midday the sun was very strong. Jim was so tired                              1.      

to walk. There was no trees near the road, so he rested                                2.      

under a big rock. After drinking some water, he took his                             3.      

shirt, lying down on the ground and fell asleep at once.                                4.      

He was very tired that he didn’t wake up until the evening.                          5.      

He was just about to jump while he felt something moving                        6.      

near his feet. He looked up and saw a long black snake.                               7.      

Jim was so frightening that he didn’t dare to move. The                            8.      

snake began to crawl(爬) across his legs. It crawled on and                          9.      

on until it was disappeared under the rocks, Jim jumped                              10.     

to his feet, picked up his shirt and ran down the road. 

题型:填空题

()能与人体血液中血红蛋白化合。

题型:填空题

哪一个因素必然导致柴油机功率下降。()

A.油箱通气装置损坏

B.空气滤清器维护指示器损坏

C.进、排气管不密封

题型:填空题

某产品的功能现实成本为5000元,目标成本为4500元,该产品分为三个功能区,各功能区的重要性系数和现实成本见下表。则应用价值工程时,优先选择的改进对象依次为()

A.F1-F2-F3

B.F1-F3-F2

C.F2-F3-F1

D.F3-F1-F2

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