15.Jupiter(木星) is the fifth planet from the sun and it is the largest one in the solar system.It is about 11 times bigger than the earth.Jupiter's strangest thing is its huge red spot.Pictures taken from space tell us that the red spot is probably a hurricane.It is so big that the earth would fit right in the middle of it.Sometimes the hurricane looks like a huge oven with orange-red waves.Other time the color almost disappears.
On the earth,hurricanes move.We can watch them travel across water to land.Jupiter's red spot also moves.Scientists say it"walks".It is carried along by air in Jupiter's atmosphere.
So far,Jupiter has been visited by four spacecrafts.All of them flew byJupiter very quickly.On the next trip to Jupiter,spacecraft will stay near the planet much longer.New information will be sent back to the earth.Soon scientists will know much more about this strange red spot in the atmosphere.

29.According to the passage,Jupiter's huge red spot is probablyD.
A.a(chǎn) big stone                     
B.a(chǎn) huge ocean
C.red soil                          
D.a(chǎn) hurricane
30.Compared(比較)with the size of the earth,Jupiter's red spot isD.
A.smaller                        
B.the same size
C.11times bigger                 
D.larger
31.Earth's hurricanes are like Jupiter's red spot because they bothD.
A.have the same colour              
B.have the same size
C.move at the same speed           
D.move
32.According to the passage,it would be right to say thatA.
A.spacecraft trips help scientists learn more about Jupiter
B.Jupiter is much smaller than the earth
C.scientists have learned everything about Jupiter
D.Jupiter is a star just like the sun.

分析 本文主要講述了木星這一行星的特征.

解答 29.D  細(xì)節(jié)理解題. 由第一段第四句"Pictures taken from space tell us that the red spot is probably a hurricane"可知紅色的斑點可能是颶風(fēng).故選D.
30.D  細(xì)節(jié)理解題. 由第一段第二句"It is about 11 times bigger than the earth"和第五句"It is so big that the earth would fit right in the middle of it"可知木星上的颶風(fēng)比地球上大很多.故選D.
31.D  細(xì)節(jié)理解題.由第一段第三句"Jupiter's strangest thing is its huge red spot"可知木星的最奇怪的事情是其巨大的紅斑,結(jié)合選項故選D.
32.A  細(xì)節(jié)理解題.由最后一段最后兩句"New information will be sent back to the earth.Soon scientists will know much more about this strange red spot in the atmosphere."可知宇宙飛船能幫助科學(xué)家們了解更多關(guān)于木星的知識.故選A.

點評 本文是一個科教類閱讀理解,題目涉及多道細(xì)節(jié)理解題,做題時結(jié)合原文和題目有針對性的找出相關(guān)語句進(jìn)行仔細(xì)分析,結(jié)合選項選出正確答案.推理判斷題也是要在抓住關(guān)鍵句子的基礎(chǔ)上合理的分析才能得出正確答案,切忌胡亂猜測,一定要做到有理有據(jù).

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