问题 填空题

用久了的黑板会”反光”,这是光的______现象.从不同方向,我们都能看到屏幕上的图象,这是光的______现象(填写光的反射类型)

答案

(1)黑板“反光”是因为黑板发生了镜面反射,黑板反射的光线比粉笔字反射的光线强,使人无法看清黑板上的字;

(2)我们能从不同方向看到看到屏幕上的图象,是因为光在屏幕表面上发生了漫反射,反射光线射向各个方向的缘故.

故答案为:镜面反射;漫反射.

完形填空

阅读下面短文并用英语回答问题,交答案与在答题卡相应的位置上(请注意答题时的词

数要求)。

[1] Mandela Day is an annual international day adopted by the United Nations.  It is more than a celebration of Nelson Mandela's life and legacy ; it is a global movement to take his life's work into a new century and change our world for the better.

[2] Mandela Day includes a series of events involving entertainment, music ,films and community service with the hope of inspiring people around the globe to use their individual power to help change the world around them for the better. A global movement for positive change begins with small actions. As each person acts, they motivate people to change positively, raising awareness and expanding the reach of Mr. Mandela's values-fighting . injustice, helping people in need. On Mandela Day people all over the world, in the workplace, at home and in schools, will be called upon to spend at least 67 minutes of their time doing something useful within their communities, especially among the less fortunate.

[3] Mandela Day will be celebrated on the 18th of July each year. It will give people in South Africa and all over the world the opportunity to _______________________. Each of us can make a small difference simply by giving others a hand. If we all make a difference together, our collective effort can truly change the world.  Mandela Day is a day for all of us to roll up our sleeves and play an active role in building our communities. This is an opportunity for each of us to share Nelson Mandela's vision of a better future for all.

[4] However, to know some political activities of Nelson Mandela surely helps us to understand Mandela Day better.                 .

小题1:What is the main idea of Paragraph 2? ( no more than 8 words)

_______________________________________________________________________________

小题2: Fill in the blank in Paragraph 3 with proper .words. ( no more than 5 words)

_______________________________________________________________________________

小题3:Explain the underlined phrase in Paragraph 3.  ( no more than 5 words)

_______________________________________________________________________________

小题4:What would you like to do on Mandela Day?

_______________________________________________________________________________

小题5:What do you think the writer will talk about if passage continues? ( no more than 10 words)

_______________________________________________________________________________

单项选择题