5.The French pianist who had been praised very highly ______ to be a great disappointment.

　　A.turned up

　　B.turned out

　　C.turned in

　　D.turned down

　　[解析]turn out 結果證明是，結果是。 turn up 出現;turn in 上交;出賣;turn down 拒絕。這句話的意思是：那個曾經受到很高評價的法國鋼琴家結果卻令人大失所望。

　　6.It was difficult to guess what her ______ to the news would be.　A.impression

　　B.reaction

　　C.comment

　　D.opinion

　　[解析]本題是詞匯辨析題，reaction反應(后接介詞to ,意思是“對….的反應”，這句話的意思是：難說她對這個消息會有怎樣的反應。impression 印象(后接of,about或on , 意義為“對….的印象”;comment 評論(后接介詞on , upon 或about);opinion 評價(后接介詞of,about或on)

　　7.______ is known to the world, Mark Twain is a great American writer.

　　A.That

　　B.Which

　　C.As

　　D.It [解析]本題是語法結構題，考點是as引導的定語從句。這句話的意思是：眾所周知，馬克.吐溫是一位偉大的美國作家。As 引導的定語從句經常和such , same 等詞連用，或經常用在as is known to us, as is expected , as might be expected , as is often the case 等句型中。

　　8.Evidence came up ______ specific speech sounds are recognized by babies as young as 6 months old.　A.what

　　B.which

　　C.that

　　D.whose

　　[解析]本題是語法結構題，考點是that引導的同位語從句，先行詞是evidence。這句話的意思是： 有證據表明，出生僅6個月的嬰兒就能辨別一定的語音。同位語從句與先行詞是等同關系，先行詞多為表示事實、看法、思想、消息等的名詞。常見的有：fact, idea, belief, thought, hope, evidence, doubt, news等。