Thin wires are _____ to thick wires called cables.

用毛巾沿着金属丝（钢索）摩擦，可以发现金属丝（钢索）断丝。 A: To find damage on wires, rub a cloth along them. B: To make damage on wires apparent, rub a cloth along them. C: To decide damage to wires, rub a cloth along them. D: To detect damage to wires, rub a cloth along them.

The electric wires in a house____with some kind of insulation.

你急需那份文件的话我也许能托托关系。（pull wires

Concrete can be made stronger under tension by adding metal rods, wires, mesh or cables to the composite.( )

After an earthquake, if you see sparks or broken or frayed wires, or if you smell hot insulation, you should look for______.

There are many ways to receive television signals. What is the latest way to receive television signals in the passage A: Cable network. B: Satellite dish antennas. C: Electrons. D: Wires.

Which of the following are not expected within the next 5 years A: Talking on giant screens. B: Automatic language translators. C: Computers that respond to brain waves. D: Computers that do not need wires.

（） are used for hauling in or letting out the wires which fasten the ship to the shore. A: Cargo winches B: Mooring winches C: Windlasses D: Cargo hatche

What’s the insulation materials between each phasor overhead<br/>lines? () A: air B: insulation cover C: insulation oil D: shield wires