问题 填空题

看电影时,观众能从各个方向看到屏幕上的影像是由于光的______反射.看戏剧演出时,穿白色上衣的演员,在红色灯光照射下,观众看到她的上衣是______色.

答案

电影幕布的表面是粗糙的,光射到上边发生了漫反射,使各个方向的人都能看到;

白色物体反射所有色光,红光照射白色上衣时,上衣反射红光,进入人的眼睛,人感觉上衣是红色.

故答案为:漫;红.

填空题
完形填空

第一节完形填空 (共10小题;每小题2分,满分20分)

阅读下面短文,掌握其大意,然后从21—30各题所给的A、B、C和D项中,选出最佳选项,并在答题卡上将该项涂黑。

It is so easy for us to overspend our income. Credit cards are    21    to obtain, especially when you pay your bills on time. Companies will try to make you keep    22    until you can’t keep up and then they will make your life very    23   .

You can avoid major    24    in several ways. Have a plan. Set up a budget (预算) with measurable goals and stick to it, which will save you a lot of frustration (沮丧) later. Set up a saving account that you can use only in case of    25   . Set up another account for your    26   . Do it as early as you can and don’t touch it until you retire. Decide which bills are to be paid out of each check and pay those first.

If there is anything left, you can buy groceries, go out to    27    or go to the movies. Consider setting up an account that automatically pays your bills each month so that you don’t have to do it every month. You could have a household account. Have your check deposited in the household account and don’t    28    money out of the household account if the balance falls below the account that you set    29   . In my opinion, it’s wise for you to have health    30   , which can really save you money. As we know, a broken leg can save you $20,000 or more!

21. A. eager            B. easy                    C. fast           D. hard

22. A. charging       B. working           C. studying       D. saving

23. A. colorful          B. unhappy               C. hopeful          D. energetic

24. A. arguments        B. cases             C. problems      D. negotiations

25. A. fire              B. danger           C. emergency    D. disease

26. A. promotion        B. retirement         C. family        D. development

27. A. study           B. walk                  C. eat           D. rest 

28. A. take             B. drive            C. pull          D. keep

29. A. regularly         B. afterwards       C. earlier        D. finally

30. A. guard           B. insurance          C. check         D. information