分析 這篇短文主要講述了造成口臭問題的原因,及其解決辦法.細菌,某些食物和吸煙引起口臭,如果你不想有口臭,一定要照顧好你的牙齒和嘴巴,刷牙你應(yīng)該刷至少2分鐘,至少一天兩次.
解答 46.A細節(jié)理解題,根據(jù)bad breath is caused by some germs(細菌) that grow in the month.Certain foods,especially ones like garlic and onions can cause bad breath.Smoking can also make bad breath.可知細菌,某些食物和吸煙引起口臭,故答案為:A.
47.B單詞理解題,根據(jù)上文Bad breath is caused by some germs(細菌) that grow in the month口臭是由一些細菌引起的,可知此處是說的特殊食物也引起口臭,結(jié)合常識可知,大蒜就是引起口臭的特殊食物,故答案為:B.
48.D細節(jié)理解題,根據(jù)But the truth is that most people only brush their teeth for 30to 45seconds可知但事實是大多數(shù)人只刷牙30到45秒.,故答案為:D.
49.B細節(jié)理解題,根據(jù)To clean all your teeth,you should brush for at least 2minutes and at least twice a day可知刷牙你應(yīng)該刷至少2分鐘,至少一天兩次,故答案為:B.
50.B細節(jié)理解題,根據(jù)If you do brush properly,but your bad breath still exists,visit your dentist for cleanings.You may have a medical problem like germ disease可知口臭可能是一個醫(yī)學問題,故答案為:B.
點評 做題時要在理解好文意的基礎(chǔ)上,與題目有機的結(jié)合,從文章中找到相關(guān)細節(jié)性的句子與選項細細比對,進行選擇或推理判斷,找出符合文章內(nèi)容的正確答案.做題注意靈活,有時可采用排除法或直選法確定出最終答案.
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