根据《固定电话交换设备安装工程验收规范》,在走道上布放光纤时,应使用()保护.A.P

题型:单项选择题

问题:

根据《固定电话交换设备安装工程验收规范》,在走道上布放光纤时,应使用()保护.

A.PVC管

B.塑料波纹管

C.走线槽道

D.胶带

考点:通信设备安装工通信设备安装工题库
题型:单项选择题

Most of us drink soda. Even if we know soft drinks are bad for the health. I think we need to know more about this drink that we love so much. And here are five reasons why we drink soda:

The taste could be one thing that makes us like drinking soda. It is delicious. In fact, it is so good that many people drink it with every meal.

Even if you wanted to drink something else, you would be hard to find it as displayed in stores, at fast-food chains and supermarket. You might not realize that Coke and Pepsi are everywhere until you try to stop drinking soda.

The most important thing about soda is convenient. If you want something in a hurry, it can be taken easily and convenient to drink.

Everyone in the world knows these soft drinks. Companies spend billions of dollars on advertising sodas, and put them up everywhere, in stores, restaurants, stations, museums, and even schools.

Soda may be cheaper than the fruit juice and milk. With meals, a large soda is only a dollar, and you get chips!

The Reasons You Drink Soda
Soda is very 小题1:_________.Many people drink Soda with every meal.
You can buy soda 小题2:____________.You would be hard to find something else as displayed.
Soda is convenient.Soda is 小题3:_________ and convenient to drink.
Companies spend much money 小题4:_________.Everyone in the world knows these soft drinks.
Soda costs 小题5:_________.People drink soda instead of the fruit juice and milk.

题型:单项选择题

目前,许多中学生总觉得自己与父母之间隔着一堵“心墙”。要拆除这堵“心墙”,正确的方法是( )

A.凡事依赖父母

B.主动与父母沟通

C.拒绝与父母交流

D.事事自作主张

题型:单项选择题

示功板手标定时逐级施加重量,主要目的()。

A、得出扭矩与百分表读数的关系曲线

B、测定示功扳手的性能好坏

C、检查百分表读数是否准确

D、得出所需要扭矩

题型:单项选择题

某职业学生营养调查结果显示:平均每人每日摄入能量9204.80kJ(2200kcal),蛋白质70g,维生素A 600μg视黄醇当量。维生素B1 1.6mg、维生素B2 0.2mg、维生素C 120mg、烟酸16mg。临床检查发现:部分学生患有牙龈炎及牙龈出血,暗适应时间延长,口角炎和舌炎。

暗适应时间延长可能缺乏的营养素是()

A.蛋白质

B.维生素A

C.烟酸

D.维生素C

E.糖类

题型:单项选择题

检验确定油墨中连接料的()过少,造成印刷图文出现粉化,要改用合格油墨。

A.色料

B.辅料

C.树脂

D.醇类

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