对高楼林立的密集城区,经常出现的一种现象是高楼窗口处信号混乱,出现频繁的小区重选,优

题型:填空题

问题:

对高楼林立的密集城区,经常出现的一种现象是高楼窗口处信号混乱,出现频繁的小区重选,优化方法是()。

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III.语法填空(共10题;每小题1.5分,满分15分)

阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在标号为31—40的空格处填入一个适当的词或使用括号中词语的正确形式填空。

Tyler was born infected with HIV; his mother was infected. When he was 5, he had a tube surgically (adv. 如外科手术般地) inserted in a vein in his chest. This tube was    31   (connect) to a pump, which he carried in a small backpack on his back.    32   times, he also needed extra oxygen to support his breathing.

Tyler was    33   (will) to give up one single moment of his childhood in spite of this deadly disease. Those    34   knew him wondered at his pure joy in being    35  (live)and the energy it gave him. Tyler’s mother often made jokes on him by telling him that he moved so fast that she needed to dress him in red. That was, when she looked through the window to check on him playing in the yard, she could quickly find him.

In the end, he grew quite ill and    36   (fortune), so did his HIV-infected mother. When    37   became clear that he wasn’t going to survive, Tyler’s mother talked to him about death. She comforted Tyler    38  telling him that she was    39   (die), too, and that she would be with him soon in heaven.

A few days before his death, Tyler singed me to his hospital bed and whispered, “I might die soon. I’m not   40   (scare). When I die, please dress me in red. Mom promised she was coming to heaven, too. I’ll be playing when she gets there, and I want to make sure that she can find me.”

题型:填空题

电场强度矢量E和磁场强度矢量H是相互(),同时垂直于电磁波的传播方向,并且遵循()螺旋法则。

题型:填空题

A市供电公司在现场进行专变采集设备安装时,仅进行了打印工作任务单、准备和检查仪器设备就进行现场作业,在现场施工中发生以下事件:1、因为突然停电造成用户设备突然停机,使得用户生产线内的原料凝固,造成经济损失50万;2、由于用户催促送电,采集设备安装人员慌乱中使跌落保险坠落,头部被坠落物砸伤,住院5天。根据本题的背景条件试述现场专变采集设备安装应有哪些工作前的准备工作?

题型:填空题

()是中石化的经营宗旨。

A.贡献国家

B.回报股东

C.服务社会

D.造福员工

题型:填空题

大容量的异步电动机()。

A、可以无条件的直接启动

B、在电动机的额定容量不超过电源变压器额定容量的20%~30%的条件下,可以直接启动

C、据运行现场的具体情况,确定可以直接启动

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