人教版高中英語(yǔ)版必修三unit4astronomythescienceofthestars第2課時(shí)強(qiáng)化練習(xí)-資料下載頁(yè)
2024-12-03 21:20本頁(yè)面
【導(dǎo)讀】從句中意義完整，只需要引導(dǎo)。it為形式主語(yǔ)，后面從。而主語(yǔ)從句置于句首時(shí)只能用whether。這是一個(gè)主語(yǔ)從句，需使用陳述句語(yǔ)序。impresses缺少主語(yǔ)，故用what引導(dǎo)名詞性從句；that引導(dǎo)名詞性從句，不作成分。答案：C句意：眾所周知，2021年倫敦奧運(yùn)會(huì)上我們贏得了38枚金牌。is后的部分是表語(yǔ)從句，且從句表陳述意義，應(yīng)由that引導(dǎo)，且不可省略。明possibility的具體內(nèi)容。語(yǔ)動(dòng)詞用單數(shù)，且不被知道，故選A。
【正文】 her pla in the solar system seems to be something like the earth. That pla is Mars (火星 ). Mars is smaller than the earth， and it is quite a bit cooler. But it is not too cold for humans. On some days, the temperatures are as low as a winter day in the northern United States. If you wore a special spacesuit, you could walk around on Mars. You would have to bring your own air to breathe，because the air on Mars is too thin to breathe. Mars has the largest volcano(火山 )in the solar system. It is sixteen miles high. The highest volcano on the earth is five miles high. The most unexpected(未預(yù)料到的 )sight on Mars is dried173。up river beds. Scientists believe that Mars was once much better than it is now. Does this mean there could have been living things on Mars? Scientists are not sure, but there has been no sign so far. 文章大意：文章介紹了地球存在生命的原因以及火星的情況。 1． Which of the following is NOT the reason that the earth has life? A． The earth is just the right temperature. B． The volcanos on the earth are lower than those on Mars. C． There is oxygen in the atmosphere of the earth. D． The earth seems to be just the right distance away from the sun. 答案： B 細(xì)節(jié)理解題 。文中提到地 球是可證實(shí)的唯一有生命存在的太陽(yáng)系行星，其原因包括地球溫度合適、距太陽(yáng)距離適中和大氣里含有氧氣等。 B項(xiàng)火山與此無(wú)關(guān)。 2． The underlined phrase“the third pla”in the first paragraph refers to________. A． the Sun B． the Moon C． the Earth D． the Mars 答案： C 詞義猜測(cè)題。根據(jù)第一段中內(nèi)容可知距離太陽(yáng)第三遠(yuǎn)的行星指的是地球。 3． Which of the following about the Mars is NOT true? A． There could have been living things on Mars. B． Mars has the largest volcano in the solar system. C． There is almost no oxygen in the air on Mars. D． Mars is smaller than the earth， and it is quite a bit cooler. 答案： A 細(xì) 節(jié)理解題。文 章最后一段提到火星上有干涸的河床的跡象，但這一點(diǎn)并不能證實(shí)火星上存在生命，因?yàn)檫€沒有生命跡象，故 A項(xiàng)不正確。其他三項(xiàng)都與文章相符。 4． Which of the following is probably the best title for the passage? A． The Earth B． The Moon C． Plas in the Solar System D． Mars is Most Like the Earth 答案： D 主旨大意題。文章先說明地球上存在生命的原因又對(duì)比了火星和地球，說明火星是與地球最相似的行星。 D項(xiàng)做標(biāo)題最為恰當(dāng)。
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