20xx年四川職業(yè)技術(shù)學(xué)院?jiǎn)握心M題(含解析)-閱讀頁
2024-08-23 08:04本頁面
【正文】 原因，攝入苯酚給蛾幼蟲帶來的益處似乎超過了它們付出的代價(jià)。而對(duì)吉普賽蛾的天敵萎蔫病毒殺傷力更大。帶有萎蔫病毒的樹木釋放過量的苯酚不如少量的好。B項(xiàng)的后半句不正確，從文章第二段首句可知，萎蔫病毒是吉普賽蛾幼蟲的天敵，而不是吉普賽蛾的天敵。A、C、D三項(xiàng)均能于文中找到依據(jù)，理解正確。B． 切葉蟻不換作物品種，是因?yàn)閱我蛔魑锏姆N植方法產(chǎn)量高，輪作的不同作物很容易遭受病蟲害侵襲。middot。D． 人類現(xiàn)在使用的抗生素同螞蟻所用抗生素的不同在于，長(zhǎng)期使用，前者會(huì)使病菌產(chǎn)生抗藥性，后者卻不會(huì)。B．東芝公司的手勢(shì)識(shí)別系統(tǒng)還不夠完善，比如，還無法準(zhǔn)確判斷，哪些是特意的動(dòng)作，哪些是非故意的動(dòng)作。從而達(dá)到遙控的目的?！菊_答案】C講解：C原文是“將信息傳送到電腦，系統(tǒng)收到人在屏幕前所做手勢(shì)的信息后，便會(huì)做出相應(yīng)反應(yīng)”，而不是設(shè)備。選C第16題：A. earlier B. ago C. before D. now【正確答案】B講解：三年前 three years ago。第18題：Some scientists think the Italian violin makers .A. did not know much about violins B. were luckyC. used many kinds of wood D. knew something secret【正確答案】D講解：【解析】一些科學(xué)家認(rèn)為意大利小提琴制作者知道一些制作的秘密。最后一段第三行一些科學(xué)家認(rèn)為秘密在于使用的漆，但是沒人知道以前的琴匠在漆中加了什么進(jìn)去。re also useful in preventing good and rich top soil from being washed away during heavy rains. If there were no trees, heavy rains would wash away the rich surface soil that is so important to plants. The result is that the land will bee a desert .There are plenty of desert areas in the world . A long time ago these desert areas used to be very rich areas , but man in the past had no enough known ledge about science of nature , they cut down too many trees in the area where they lived and never planted new ones . Buy and by the rich surface soil was blown and washed away by strong winds and heavy rains. In the end the rich land changed into useless deserts where nothing could grow .According to the passage , .A、a long time ago, man didn39。第20題：A. since B. until C. when D. after【正確答案】B講解：【解析】not...until...用法。
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