Jamal’s science teacher asked students to research a type of renewable energy and then writes something about their findings for class. Jamal talked about wind power.

 Renewable energy is a resource that can be created faster than

 it is consumed. (消耗)

     Using wind power is not a new idea. Sailboats have used wind

power for thousands of years. Another example of wind power is the

windmill (风车). Windmills used blades（叶片）to catch the wind while

a sailboat uses its tails. As the wind turns the blades, power is created.

Windmills use this power to get water from lakes or rivers.

     Today, wind turbines (风轮机) make electrical power for us. Wind turbines are made after the windmill. Wind turbines are made of strong durable materials that won’t wear out over time. To get large amounts of power, hundreds of wind turbines are placed in one location called a wind farm.

     In Texas, some landowners in windy areas build their own wind system or lease their land to wind companies. This industry created many new jobs. In fact, the state of Texas is one of the largest wind energy producers in the country.

However, one of the biggest disadvantages of wind power is that its output cannot be always gained because not every day is windy. Researchers are looking for effective ways to store enough energy for later use. Cities and towns cannot only rely on wind. Coy Harris, Executive director of Texas Wind Power Center, says "We are going to still have to have coal-fired plants and everything else because people still want to have electricity even when the wind is not blowing,"

51. We know from the text that ________ make electrical power for people.

A. sailboats                                B. windmills

C. wind turbines                                     D. blades

52. What does Coy Harris mean by saying cities and towns cannot only rely on wind?

A. wind power is not so important                     B. people don’t like windy days

C. wind is not always blowing             D. people build their own wind system

53. What does the underlined word durable probably mean?

A. 耐用的                                      B.坚固的    

C. 实在的                                  D. 干燥的

54. Which of the following is True according to the passage?

A. Renewable energy can be consumed faster than it is created.

B. Wind turbines are made before windmills.

C. Wind power can be used to get water from lakes or rivers

D. Wind companies build their own wind system.

55. It can be inferred from the passage that _____________.

A. Wind power is renewable energy           B. Wind power is durable energy

C. Wind power depends much on weather   D. Wind power depends on electricity

It’s winter now. It’s _______ and _______.