【題目】

From far out in space, the Earth looks like a blue ball. Since water c【1】three-fourths of the Earth’s surface, blue is the colour we see most. The Earth is shaped like a ball. It is 25,000 m【2】around! It would take more than a year to walk around the whole planet. A s【3】can fly around the widest part of the Earth in only 90 minutes.

Even though spacecraft have travelled to the Moon, people cannot visit the Moon without wearing special s【4】. The Moon has no a【5】or water. Plants and animals can’t live there either. American a【6】first landed on the Moon in 1969. After that, there were more trips to the Moon. They brought back some Moon r【7】, which scientists are still studying.

The Sun is the closest star to our Earth. A star is a hot ball of burning gas. The Sun looks very big b【8】it is so close. But in fact many of far-away stars are much b【9】than our Sun. The burning gases from the Sun are so hot that they w【10】the Earth from 93 million miles away!

【答案】

【1】covers

【2】miles

【3】spacecraft

【4】spacesuits

【5】air

【6】astronauts

【7】rocks

【8】because

【9】bigger

【10】warm

【解析】這篇短文給我們介紹了關(guān)于地球、月球和太陽的一些知識，地球的四分之三都是水，所以我們說地球是藍(lán)色的星球；月球上沒有空氣和水，人類已經(jīng)在1969年就踏上了月球；太陽離我們很近，所以它看起來比其他星球要更大。

【1】句意：因為水覆蓋了地球表面的四分之三，所以藍(lán)色是我們看到最多的顏色。covers是第三人稱單數(shù)形式，原形是cover，覆蓋。這句話的主語是water，單數(shù)，這里講述的是客觀事實(shí)，用一般現(xiàn)在時態(tài)，故填covers。

【2】句意：地球的形狀像一個球，它的周長有2萬5千多英里。miles英里，是復(fù)數(shù)形式，因為是23,000英里，故用復(fù)數(shù)。

【3】句意：宇宙飛船可以在90分鐘的時間里繞地球最寬的部分飛行一周。spacecraft宇宙飛船，是一個名詞�？涨笆遣欢ü谠~a，表示泛指一個，故名詞用單數(shù)。

【4】句意：雖然宇宙飛船已經(jīng)到過月球，但是沒有穿特殊的航天服，人們不可以去月球參觀。spacesuits航天服，宇航服，是一個名詞，這里用復(fù)數(shù)是因為這句話的主語是people，人們，復(fù)數(shù)，因此服裝也應(yīng)是復(fù)數(shù)。

【5】句意：月球上沒有空氣和水。air空氣，是不可數(shù)名詞，故沒有復(fù)數(shù)形式的變化。

【6】句意：在1969年美國的宇航員第一次登上月球。astronauts 宇航員，復(fù)數(shù)形式。根據(jù)下句話They brought back some…可知，他們帶回來了…，所以登上月球的宇航員應(yīng)該用復(fù)數(shù)形式。

【7】句意：他們從月球上帶回來一些石頭，科學(xué)家們現(xiàn)在還在研究。rocks石頭，是復(fù)數(shù)形式，因為這個空前有some，一些，所以填名詞的復(fù)數(shù)。

【8】句意：太陽看起來很大，因為它離我們?nèi)绱私?/span>because因為，連詞，引導(dǎo)原因狀語從句，這句話解釋的是太陽看起來大的原因。

【9】句意：但是事實(shí)上一些遙遠(yuǎn)的星星要比太陽更大。bigger是big的比較級形式，更大的。根據(jù)句意和句中的than our Sun可知，這里是把其他星星和太陽相比，故用比較級。

【10】句意：太陽上燃燒的氣體是如此的熱以至于他們可以在距離地球九千三百萬英里遠(yuǎn)的地方使地球溫暖。warm在這里是一個動詞，使…溫暖。根據(jù)句意可知，太陽上的氣體很熱，所以他們能在很遠(yuǎn)的距離使地球溫暖。

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