在测试GSM900M网络时，测试手机上显示的TXPOWER=5，说明（） A.手机以

By the time of last year,  she          the piano for five years.           [ ]

A. learnt            

B. has learnt                

C. had learnt

阅读表达 阅读短文，按要求完成短文后的各项任务。

Christmas is a season to spread joy. Can we spread this joy by caring a little more about nature and going green? Here are some good ideas.

Reduce the use of the decorative (装饰) lights. Make use of the eco-friendly（环保的）lights on the market. In this way you can save electricity.

Reuse the wrapping (包装) paper to wrap the gifts. You don’t need to buy new wrapping paper every year. Also try using the same small decorations for your Christmas tree.

Recycle (循环利用) all those decorations that your can not use any more. You can send out Christmas cards made from recycled paper. It’s a thoughtful way of going green for Christmas. (1)There are many charities selling these cards made from recycled paper.

There are some other ideal ways to go green for Christmas.

(2)You can make Christmas _________ by _________. You needn’t go shopping for your family and friends. Homemade Christmas chocolates, handmade soft toys, homemade candles are wonderful. There is a saying that goes, “It is the thought that counts.”

If you have no time for gifts, you can also invite your family and friends over to have a home cooked meal. They can even help you with the cooking. This can make your relationship stronger.

Let’s use these green Christmas ideas to celebrate an eco-friendly Christmas!

小题1:将（1）句译成中文。

小题2:在（2）句的空白处分别填入一个适当的词使句意完整、上下文通顺。

小题3:回答问题：Why do we use the eco-friendly lights for Christmas?

小题4:在文中找出与This can help improve your relationship.意思相近的句子，并将它写在答题卡上。

小题5:在文中找出最能表达该短文主题的句子，并将它写在答题卡上。

下列句子中没有语病的一项是（    ）

A．学校开展的感恩活动，掀起了同学间互帮、互助、互学、互进，增进了彼此的友谊。

B．为了防止失窃事件不再发生，保安部门采取了切实有效的措施。

C．扬州获得“联合国人居奖”的原因是全市人民共同努力的结果。

D．能否培养学生的思维能力，是衡量一节课是否成功的重要标准。

在促进生产性服务专业化方面，加强基础物流的建设，大力发展绿色物流、冷链物流、城乡配送和（）。

A.圆通物流

B.第三方物流

C.申通物流

D.顺丰物流

离心式压缩机产生振动可能由哪些原因引起的，如何消除？