The question whether there is life on Mars (火星) has made the public think a lot for more than a century. The closest look showed Mars to be a dusty,cold world,covered by air that is too thin to breathe. A British spaceship and Europe's Mars spaceship plan to land on Mars or enter orbit (軌道) around it. One of the NASA’s (美國(guó)宇航局) spaceships is expected (期 望) to land on January 3; the other is going to land on the opposite side of Mars on January 24.

    Since 1960,over twenty spaceships sent to Mars have failed. Most have been lost on flying up or landing because those are the most difficult times of any flights. Scientists wanted to find out whether there was water in Mars. In October,a team of scientists reported that Mars had been a dry wasteland. But first appeared here on Earth. Scientists at once raise a question： if what they said is true,what happened on Mars? Then what about the earth?

weeks later,a second team reported differently that they had found some marks showed clearly that they were made by the rivers. Such marks told us that Mars was a warmer place billions of years ago—just as life to the passage?

根據(jù)短文內(nèi)容，完成下列各題。

根據(jù)短文內(nèi)容，判斷正(T) 誤(F) 。

() Mars is a dusty,cold planet with little air to

breathe.

2. How many spaceships were sent to Mars but all failed since 1960?

3. What did the second team of the scientists find in Mars?

4. What was Mars like billions of years ago according.

5.將短文中畫線的句子譯成漢語(yǔ)。

導(dǎo)讀

本文是一篇說(shuō)明文，介紹了科學(xué)家們?yōu)榱颂剿骰鹦堑膴W 秘所做的艱苦的工作。

詳析

1. T由第一段第二句的描述可知火星是—個(gè)布滿灰塵的 寒冷世界，空氣非常稀薄，不能呼吸。

2. Over twenty spaceships. 由第二段第一句的描述可知 從1960年以來(lái)，人類已經(jīng)向火星發(fā)射了 20多艘宇宙飛 船,但都未成功。

3. The scientists found some marks made by the rivers.

由第二段第五句的描述可知科學(xué)家們?cè)诨鹦巧习l(fā)現(xiàn)了明 顯的河流的跡象。

4. Mars was a warmer place billions of years ago. 由第二段第六句可知答案。

5. 大多數(shù)的宇宙飛船在飛行或著陸的時(shí)候都失敗了，因?yàn)?那是飛行中最困難的時(shí)候。

breathe v.呼吸 raise a question 提出問(wèn)題 

障礙句分析

But weeks later,a second team reported differently that they had found some marks showed clearly that they were made by the rivers.但是，幾個(gè)星期以后，第二組科學(xué)家的報(bào)告完 全不同，他們?cè)诨鹦巧习l(fā)現(xiàn)了一些明顯的河流的跡象。

本句是一個(gè)比較復(fù)雜的復(fù)合句，第一個(gè)that引導(dǎo)了一個(gè) 賓語(yǔ)從句，作reported的賓語(yǔ)，第二個(gè)that引導(dǎo)了一個(gè)定語(yǔ)從 句，修飾marks。

題目來(lái)源：2016一本英語(yǔ)閱讀理解與完形填空150篇八年級(jí) > TEST4

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