上海新航道雅思小編給考生們帶來了劍7Test4雅思聽力Section4答案解析，希望幫助考生對(duì)照文本更好的研究真題，充分備考，爭(zhēng)取理想成績(jī)，實(shí)現(xiàn)留學(xué)夢(mèng)想。

  劍7Test4雅思聽力Section4答案解析

  SECTION 4

  場(chǎng)景介紹

  主題：MSG (Monosodium Glutamate)谷氨酸鈉(味精)的由來、作用方式及實(shí)質(zhì)

  題型介紹

  題型 選擇題，筆記填空題

  測(cè)試技能 聽大意，聽具體信息

  名師點(diǎn)題劍橋雅思7聽力：考題精解

  Question 31 B

  當(dāng)聽到發(fā)言人說Today I am going to explore why it is so ...就要留意了，接著聽到more importantly這一信號(hào)表達(dá)，確定答案就是后一句how does it enhance the flavour of food?中，而這一句含義等同于B選項(xiàng)，確定答案是B。

  Question 32 C

  1908是定位詞，聽到它后，接著聽到the ingredient in Japan ... was actually discovered to be glutamate by scientists working there，discover與C選項(xiàng)中的identify是同義詞，判定正確答案為C。

  Question 33 A

  1956是定位詞，聽到1956后，接著聽到the speed of the process was improved，and industrial production increased dramatically, manufacture與produce同義，確定正確答案為A。

  Question 34 water

  當(dāng)考生聽到sodium之后，緊接著聽到nine point six percent water, 9.6%是定位詞，確定Question 34正確答案是water。

  Question 35&36 meat, cheese

  當(dāng)發(fā)言人講到protein-containing foods時(shí)，立即定位Question 35&36，接著聽到so this includes food such as meat and cheese，確定答案是meat，cheese。

  Question 37 5th / new taste

  當(dāng)聽到In 1908，立即定位此題，接著聽到Kikunae Ikeda identified a fifth taste。而identify與discover屬于同義詞，確定正確答案是5th/ new taste。

  Question 38 common

  演講者提到It does make perfect evolutionary sense that we should have the ability to detect or taste glutamate ...確定Question 38的答案在后面。接著聽到because it is the amino acid which is most common in natural foods. So與Most同義，in natural foods與naturally同義，Question 38需要填一個(gè)形容詞，正確答案為common。

  Question 39 bitterness

  當(dāng)考生聽到carbohydrates后，緊接著聽到bitterness, he says, alerts us of toxins in the food。確定正確答案是bitterness。

  Question 40 minerals

  當(dāng)聽到saltiness后立即定位于Question 40，緊接著聽到signals the presence of minerals。確定正確答案是minerals。

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