12.The dark chocolate is one of the favorite food choices by many people because it has a lot of benefits (61)whenit comes to your health.Here is a list of the effects of dark chocolate on health.
First of all,it contains different kinds of antioxidants(抗氧化劑) which (62)are  (be) good for heart.Besides,the dark chocolate can also lower blood pressure and reduce bad cholesterol (膽固醇),lowering the risks of stroke and taking away the risk of blood vessels which may (63)harden  (hard) for too much cholesterol in them.
Lastly,do you know the feeling of being overjoyed after (64)jogging(jog)?This feeling is like extreme happiness.The dark chocolate will give you the feeling of (65)pleasure (please) and happiness.If you are feeling that the world has turned  against you,then dark chocolate can be (66)a  mood  lifter.
These are commonly the effects of chocolate on health.It can benefit you especially if  (67)taken(take) with the right amount.(68)Approximately  (approximate),100grams of chocolate  (69)orless a day is already enough according to studies.If you have taken too much,try to lessen your other meals for the day.It is all about nutrition and taking the right amount of food in order to get the health benefit that it can provide (70)for you.

分析 本文主要介紹黑巧克力的益處.首先,它含有各種對心臟有益的抗氧化劑,降低中風(fēng)的危險;其次,慢跑之后它能給你愉快的感覺.

解答 61.when 考查固定句型.when it comes to意為"當(dāng)涉及到; 當(dāng)談到",是固定句型.
62.a(chǎn)re 考查主謂一致.先行詞antioxidants是復(fù)數(shù)形式,從句中謂語動詞也應(yīng)用復(fù)數(shù)形式are.
63.harden 考查動詞.分析句子結(jié)構(gòu),句中缺少謂語動詞,因在情態(tài)動詞may后,harden用動詞原形.
64.jogging 考查動名詞. after是介詞,后接動詞時用動名詞形式.
65.pleasure 考查名詞.a(chǎn)nd是并列連詞,它前后連接兩個相同的語法成分,pleasure和happiness都是名詞,作介詞of的賓語.
66.a(chǎn) 考查冠詞.lifter是可數(shù)名詞,單數(shù)形式前加不定冠詞a表示泛指.
67.taken 考查過去分詞.it與take之間是動賓關(guān)系,用"if+過去分詞"結(jié)構(gòu)作狀語.
68.Approximately 考查副詞.修飾句子要用副詞形式.
69.or 考查連詞.根據(jù)句意:按照研究,一天100克或更少的巧克力就夠了.用連詞or.
70.for 考查介詞.provide for意為"供給; 為…作準備",是固定搭配.

點評 語法填空題是考查學(xué)生的語言運用能力.解題時,要在理解文章的基礎(chǔ)上,靈活運用語法知識,如詞性,時態(tài),名詞單復(fù)數(shù),連接詞,代詞,冠詞等判斷空白處應(yīng)填寫的內(nèi)容.答完后,還要通讀全文,核對所填單詞形式是否正確,是否符合語境.

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