Hello, everyone! Up to now, we have finished learning the first three units of Book 1. Now let's review what we have learnt together.

    In Unit One, we have learnt about what kind of friends we should make from our friend Anne {#blank#}1{#/blank#}was killed by the German Nazis during World War Ⅱ. It was the first time in her life that she{#blank#}2{#/blank#}(keep)diaries in the hiding place. So she had great difficulty{#blank#}3{#/blank#}(set) down what she and her family had gone through. Though she grew so crazy about everything to do with nature, it was no pleasure looking through the dusty windows any longer.

    In Unit Two, we have known that there is more than one kind of English in the world and in some important ways they are very different{#blank#}4{#/blank#}one another. Believe it or not, there is no such thing as standard English. However, today the number of people learning English in China{#blank#}5{#/blank#}(increase)rapidly, although they find{#blank#}6{#/blank#}hard to learn English well. As high school students, we should make full use of our time{#blank#}7{#/blank#} (have) a good command of English in order to pass the College Entrance Examinations in three years.

    In Unit Three, our friends Wang Kun and Wang Wei made up their {#blank#}8{#/blank#} (mind) to take a great bike trip along the Mekong River. They both bought {#blank#}9{#/blank#} expensive mountain bike. Finally they got the chance after graduating from college. Soon they got their cousins{#blank#}10{#/blank#}(interest) in cycling too. After making preparations, they together started their journey and realized their dream to take a great bike trip.

    At the back of King's College there is a memorial stone in white marble to honor the Chinese poet Xu Zhimo. {#blank#}1{#/blank#} (move) to the UK in 1921, Zhimo spent a year studying at King's where he {#blank#}2{#/blank#} (fall) in love not only with the romantic poetry of English poets like John Keats, but also with Cambridge {#blank#}3{#/blank#} (it).

    His poem, Second Farewell to Cambridge, {#blank#}4{#/blank#} is considered to be his most famous one, is now a compulsory text on Chinese literature, {#blank#}5{#/blank#} (learn) by millions of school children across our country every year. The poem {#blank#}6{#/blank#} (clear) paints a portrait of King's and the River Cam, and serves {#blank#}7{#/blank#} a reminder of Xu Zhimo's fondness for his time in Cambridge.

    While the poem had been set to music many times before, the English composer John Rutter, one of the mainstream classical {#blank#}8{#/blank#} (musician), was invited by King's College to make the first musical setting of the text. The new piece, written and recorded in {#blank#}9{#/blank#} (celebrate) of the near 100-year link between King's College {#blank#}10{#/blank#} Xu Zhimo, has been released on a new album on the King's College Record Label.

    If you only got six hours' shut eye last night, there is no need {#blank#}1{#/blank#} (lose) sleep over it.

    Scientists say that though it is {#blank#}2{#/blank#} (wide) believed that we need eight hours of sleep a night, six to seven hours is the natural amount.

    Advising short-sleepers to rest easy, the US researchers say, {#blank#}3{#/blank#} (have) important implications (暗示，含义) for the idea that we need to take sleeping pills because sleep has been reduced from {#blank#}4{#/blank#} (it) natural level by the widespread use of electricity, TV, the Internet and so on.

    The lead author of a study, Ghandi, said: "There's the {#blank#}5{#/blank#} (expect) that we should all be sleeping for eight or nine hours a night, and if we took away modern technology, we would be sleeping more. But now, for the first time, we are showing that's not {#blank#}6{#/blank#} truth."

    Most of those {#blank#}7{#/blank#} were studied slept for less than seven hours a night, with the average amount just six hours and 25 minutes. This is much less than the eight hours often {#blank#}8{#/blank#} (recommend) in western societies.

    Despite this, the people studied were in good health, {#blank#}9{#/blank#} lower rates of obesity (肥胖症), better blood pressure and {#blank#}10{#/blank#} (healthy) hearts than people in industrialised societies. They were also fitter.