10 convincing ： a.令人信服的；有說服力的；
派生詞：convince v.使人信服，使… 相信
用法：She is very convincing .她很另人信服。
Convince sb.of sth.使某人確信某事； convince sb.that 從句
We failed to convince him of his mistakes.我們沒能使他相信他是錯誤的。
Careful observation convinced them that it was so.仔細(xì)的觀察使他們相信情況是這樣的。
11 companion ： n.同伴，同行，伴侶，同事
派生詞：company n.同伴，陪伴 ； accompany v.陪同，陪伴
用法：He is a good companion on the journey.他是個好旅伴。
表示“同事”的詞：associate， colleague， fellow official， fellowworker， co-worker
12 operate ： v.操作，運行，起作用；動手術(shù)
派生詞：operation n.操作
用法：The machine isn't operating properly.機器運轉(zhuǎn)不正常。
He operated on the eyes of the patient.他給病人的眼睛動了手術(shù)。
Has the medicine started to operate ？ 藥物開始見效了嗎？
詞組：phrases
1.to research into 研究
She is researching into possible cures for AIDS.
她正在研究治療艾滋病的方法。
2 speculation about ： 關(guān)于… 的猜測
We heard all kinds of speculation about the cause of the President's death.我們聽到關(guān)于總統(tǒng)死亡原因的種種猜測。
People have much speculation about the government's intentions.對政府的意圖，人們作了許多猜測。
3 to swallow up ： 吞沒；并吞
His wife's clothes bill swallowed up his wages .老婆買的衣服耗盡了他的工資。
The fog swallowed up the whole city.霧籠罩全城。
She swallowed the medicine with the help of some water.她用水把藥咽下了。
His figure was swallowed up in the dark.他的身影消失在黑暗中。
4 to make use of ：利用= to take advantage of
We should make good use of our leisure time.我們應(yīng)該好好利用休閑時間。
He was making full use of his opportunity.他正充分利用他的機會。
to reduce … to 簡化，歸納，迫使
Months' bombing reduced the city to ruins.
幾個月的轟炸使這個城市變成了廢墟
5 to apply to 適用于
It does not apply to you.它不適用于你。
課文詳解
Black Hole
What is a black hole？ Well， it's difficult to answer this question， since the terms we would normally use to describe a scientific phenomenon are inadequate here.Astronomers and scientists think that a black hole is a region of space （not a thing ） into which matter has fallen and from which nothing can escape - not even light.So we can't see a black hole.A black hole exerts a strong gravitational pull and yet it has no matter.It is only space - or so we think.How can this happen？
派生詞：convince v.使人信服，使… 相信
用法：She is very convincing .她很另人信服。
Convince sb.of sth.使某人確信某事； convince sb.that 從句
We failed to convince him of his mistakes.我們沒能使他相信他是錯誤的。
Careful observation convinced them that it was so.仔細(xì)的觀察使他們相信情況是這樣的。
11 companion ： n.同伴，同行，伴侶，同事
派生詞：company n.同伴，陪伴 ； accompany v.陪同，陪伴
用法：He is a good companion on the journey.他是個好旅伴。
表示“同事”的詞：associate， colleague， fellow official， fellowworker， co-worker
12 operate ： v.操作，運行，起作用；動手術(shù)
派生詞：operation n.操作
用法：The machine isn't operating properly.機器運轉(zhuǎn)不正常。
He operated on the eyes of the patient.他給病人的眼睛動了手術(shù)。
Has the medicine started to operate ？ 藥物開始見效了嗎？
詞組：phrases
1.to research into 研究
She is researching into possible cures for AIDS.
她正在研究治療艾滋病的方法。
2 speculation about ： 關(guān)于… 的猜測
We heard all kinds of speculation about the cause of the President's death.我們聽到關(guān)于總統(tǒng)死亡原因的種種猜測。
People have much speculation about the government's intentions.對政府的意圖，人們作了許多猜測。
3 to swallow up ： 吞沒；并吞
His wife's clothes bill swallowed up his wages .老婆買的衣服耗盡了他的工資。
The fog swallowed up the whole city.霧籠罩全城。
She swallowed the medicine with the help of some water.她用水把藥咽下了。
His figure was swallowed up in the dark.他的身影消失在黑暗中。
4 to make use of ：利用= to take advantage of
We should make good use of our leisure time.我們應(yīng)該好好利用休閑時間。
He was making full use of his opportunity.他正充分利用他的機會。
to reduce … to 簡化，歸納，迫使
Months' bombing reduced the city to ruins.
幾個月的轟炸使這個城市變成了廢墟
5 to apply to 適用于
It does not apply to you.它不適用于你。
課文詳解
Black Hole
What is a black hole？ Well， it's difficult to answer this question， since the terms we would normally use to describe a scientific phenomenon are inadequate here.Astronomers and scientists think that a black hole is a region of space （not a thing ） into which matter has fallen and from which nothing can escape - not even light.So we can't see a black hole.A black hole exerts a strong gravitational pull and yet it has no matter.It is only space - or so we think.How can this happen？