问题 解答题

A大地清道夫                 a瓢虫

B蚜虫死对头                 b蜻蜓

C补虫神刀手                 c青蛙

D除害飞行家                 d螳螂

E庄稼保护者                 e蜣螂.

答案

成年瓢虫会飞行,最喜欢吃的是蚜虫,被称为蚜虫死对头;蜻蜓有三对足,两对翅,营飞行生活,捕捉害虫为食,被称为除害飞行家;青蛙,属于两栖动物,捕捉农田害虫,被称为庄稼保护者;螳螂,亦称刀螂,前足腿节和胫节有利刺,胫节镰刀状,常向腿节折叠,形成可以捕捉猎物的前足,是中国农、林、果树和观赏植物害虫的重要天敌,被称为补虫神刀手;蜣螂,俗称屎克螂,属鞘翅目蜣螂科.体黑色或黑褐色,大中型昆虫.蜣螂能利用月光偏振现象进行定位,以帮助取食.有一定的趋光性.世界上有2万多种蜣螂,分布在南极洲以外的任何一块大陆.最著名的蜣螂生活在埃及,有1-2.5厘米长.世界上最大的蜣螂是10厘米长的巨蜣螂.大多数蜣螂营粪食性,以动物粪便为食,有“自然界清道夫”的称号.

故答案为:

判断题
单项选择题

Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (1) from the world of books and newspapers, having to (2) on friends to read aloud to them.

A young scientist named Raymond Kurzweil has now designed a computer which is a major (3) in providing aid to the (4) .His machine, Cyclops, has a camera that (5) any page, interprets the print into sounds, and then delivers them orally in a robot-like (6) through a speaker. By pressing the appropriate buttons (7) Cyclops’s keyboard, a blind person can "read" any (8) document in the English language.

This remarkable invention represents a tremendous (9) forward in the education of the handicapped. At present, Cyclops costs $ 50,000. (10) , Mr. Kurzweil and his associates are preparing a smaller (11) improved version that will sell (12) less than half that price. Within a few years, Kurzweil (13) the price range will be low enough for every school and library to (14) one. Michael Hingson, Director of the National Federation for the Blind, hopes that (15) will be able to buy home (16) of Cyclops for the price of a good television set.

Mr. Hingson’s organization purchased five machines and is now testing them in Maryland, Colorado, Iowa, California, and New York. Blind people have been (17) in those tests, making lots of (18) suggestions to the engineers who helped to produce Cyclops.

"This is the first time that blind people have ever done individual studies (19) a product was put on the market," Hingson said. "Most manufacturers believed that having the blind help the blind was like telling disabled people to teach other disabled people. In that (20) , the manufacturers have been the blind ones.

6()

A.behavior

B.expression

C.movement

D.voice