Unit 14 Zoology [知識點撥 1]

=what’s the matter with…
=what's your problem?
=what's wrong with you?
都用來詢問“…（你）怎么回事？”
speaking the two teams take turns speaking.
兩只隊伍輪流發言。
【點撥】 take turns doing sth. “輪流干…”，turn是名詞。
為便于學習,現就turn的用法歸納如下: i. turn (n.)  順序, 輪流  1. it's one's turn to do sth. 輪到某人做某事 it's your turn to make a decision. 
該你來做出決定了。
2. take one's turn to do sth. = do sth. in turn =do sth. by turns 輪流做某事 the nurses attended the patient in turn / by turns. 
=the nurses took turns to attend the patient. 
護士們輪流照顧病人。ii. turn (vi.) 轉動,轉向,翻轉  turn right / left = turn to the right / left  turn to sth. / sb. (for help)  turn to page 84 iii. turn (link-v.) 變得…… turn green / yellow  變綠/黃了 ten years later， he turned       teacher.    a. /    b. a    c. an    d. the 注: 此題考查turn 作連系動詞的特殊用法,即 turn 作連系動詞時后接表語名詞，省略冠詞. 所以此題的答案為a. 如果turn 后加into 則須在名詞前加冠詞a. iv. 固定詞組:  1. turn against   背叛   nobody will turn against his country.  2. turn down   關小 / 拒絕   he turned down my suggestion without hesitation. please turn down the gas.  3. turn from side to side  把身體轉來轉去   the naughty boy turned from side to side while answering questions in class.  4. turn in 上交  the child picked up a purse on the way and turned it in to the policeman.  5. turn ... into ... (使……)成為……  the farmers are turning waste land into rice fields.   6. turn off 關(水源、煤氣、 電燈等) / 避開(問題等) turn off the light when you leave the room.  7. turn on 打開(水、 煤氣、 電燈、無線電等) / 對……發怒 turn on the radio turn the gun on sb. 8. turn out 結果是 / 證明是 / 生產出 the weather yesterday turned out (to be) fine. the factory turned out more products than they had expected.  9. turn over (使)打翻 / 翻身 / 翻動 / 翻耕(土地) / 轉危為安   the man turned over and went to sleep again when the telephone rang. 10. turn up 開大 / 出現 / 找到 / 證明是 (= turn out to be)   the meeting is beginning， but he has not turned up. he might have been lost. when all the teams are ready, the teacher will start and time the debate.
當所有隊伍都準備好以后,老師就開始為辯論計時.
【點撥】time　是動詞，＂計時＂的意思，還有“安排好時間,使合拍子;安排……的速度＂