20.A.a(chǎn)ccidentally B.a(chǎn)pplying C.connections D.defined E.examples
F.explaining  G.reflect  H.thoughtfully  I.trends J.various

A mathematics teacher asks her students to design a floor plan for a community center,including dance areas and a place for a band.Why?Because such a design will involve several geometric(幾何的)shapes and a/an(41)D area,and the students must use what they have studied about the computation of area to make an effective plan.
A history teacher asks his students to(42)G on and write about their experiences holding   jobs and their relationships with their employers.Why?Because the students will soon be studying the Industrial Revolution,focusing on how it shaped the experiences of and relationships among members of(43)J social classes in the United States.
A science teacher asks her students to prepare statements (44)F their position on whether the president should sign an international environmental treaty.Why?Because preparing these statements will engage the students in assessing and(45)B a number of scientific views on global warming.
Anyone alert to current(46)I in teaching practice will not be surprised by these examples.They illustrate the practice on the part of many teachers to engage students more (47)H in the subject matter they are learning by helping students to draw(48)C between their lives and the subject matter,between principles and practice,past and present,and present and future.
Yet there is also something unusual about these(49)E:not what appears on the surface but what lies underneath it.These three learning activities were developed with the help of a simple set of guidelines called the Teaching for Understanding Framework.

分析 本文通過具體舉例說明數(shù)學(xué),歷史,科學(xué)三科老師分別通過采用不同的教學(xué)方法以達到某種教學(xué)目的課堂教學(xué)模式,旨在向大家介紹采用該教學(xué)模式的目的及其理論依據(jù)---《理解性框架教學(xué)》.

解答 答案:
41.D   考查形容詞    此處用來修飾名詞 area,所以應(yīng)使用形容詞;結(jié)合上文可知,本句的意思應(yīng)是:因為這樣的設(shè)計將涉及到幾個幾何形狀和一個劃定的區(qū)域;故選D
42.G   考查動詞/動詞短語     此處用在動詞不定式to之后,應(yīng)選擇動詞原形;結(jié)合下文可知,本句的意思應(yīng)是:歷史老師讓他的學(xué)生反思(reflect on),并且寫下有關(guān)他們的工作經(jīng)歷以及他們與雇主的關(guān)系;故選G
43.J    考查形容詞   此處用來修飾名詞短語"social classes",意為:不同的社會階層,故應(yīng)使用形容詞various
;故選J
44.F   考查現(xiàn)在分詞    此處在句中作定語修飾名詞 statements,意為:就總統(tǒng)是否應(yīng)該簽署一項國際環(huán)境條約,…他們立場的陳述;結(jié)合備選項可知,F(xiàn)符合此處的意思,即:解釋他們立場的陳述;故選F
45.B    考查動名詞    此處在句中作介詞in的賓語,所以應(yīng)使用的名詞形式;應(yīng)選applying,意為:運用一些科學(xué)的觀點來分析全球變暖的問題;故選B
46.I     考查名詞   此處用在形容詞current之后,應(yīng)使用名詞;本句的意思是:在教學(xué)實踐中,注意到目前趨勢的任何人都不會對這些例子感到驚訝;故選I
47.H   考查副詞    此處用來修飾動詞engage,故用副詞;故選H
48.C   考查名詞   此處在句中作動詞draw的賓語,應(yīng)使用名詞connections;這里的意思是:通過幫助學(xué)生們畫出(自己他們的生活與主題,原則與實踐、過去與現(xiàn)在、現(xiàn)在與未來之間的)連接;故選C
49.E    考查句意理解    根據(jù)下文提到的"These three learning activities"可知,此處指的應(yīng)是上文列舉的三個實例;故選E

點評 做本題時,首先要通讀全文,把握文章大意,同時要明確各選項中單詞的意思及用法,對于比較有把握的答案,可以直接填上;其次,結(jié)合每一句的句意及考查點,從語法分析的角度,選出正確的答案;這就需要在平時的學(xué)習(xí)中加大閱讀量的同時,還應(yīng)牢固掌握基礎(chǔ)知識.

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