Aspirin’s origins go back at least as early as 1758. In that year, Eng dịch - Aspirin’s origins go back at least as early as 1758. In that year, Eng Ả Rập làm thế nào để nói

Aspirin’s origins go back at least

Aspirin’s origins go back at least as early as 1758. In that year, Englishman Edward Stone noticed a distinctive bitter flavor in the bark of the willow tree. To Stone, this particular bark seemed to have much in common with “Peruvian Bark,” which had been used medicinally since the 1640s to bring down fevers and to treat malaria. Stone decided to test the effectiveness of the willow bark. He obtained some, pulverized it into tiny pieces, and conducted experiments on its properties. His tests demonstrated that this pulverized willow bark was effective both in reducing high temperatures and in relieving aches and pains. In 1763, Stone presented his findings to the British Royal Society.

Several decades later, further studies on the medicinal value of the willow bark were being conducted by two Italian scientists. These chemists, Brugnatelli and Fontana, determined that the active chemical that was responsible for the medicinal characteristics in the willow bark was the chemical salicin, which is the active ingredient of today’s aspirin.

The name “aspirin” is the trade name of the drug based on the chemical salicin, properly known as acetylsalicylic acid. The trade name “aspirin” was invented for the drug in the 1890s by the Bayer Drug Company in Germany. The first bottles of aspirin actually went on sale to the public just prior to the turn of the century, in 1899.

1. According to the passage, aspirin originated

(A) no later than 1758

(B) sometime after 1758

(C) definitely sometime in 1758

(D) no earlier than 1758

2. It can be inferred from the passage that Peruvian Bark

(A) caused fevers

(B) was ineffective in treating malaria

(C) was described to the British Royal Society by Stone

(D) was in use prior to aspirin

3. The pronoun “it” in line 5 refers to

(A) malaria

(B) willow bark

(C) effectiveness

(D) the British Royal Society

4. The word “properties” in line 6 could best be replaced by

(A) ownership

(B) body

(C) characteristics

(D) materials

5. What did the willow bark look like after Stone prepared it for his experiments?

(A) It was in large chunks.

(B) It was a thick liquid.

(C) It was a rough powder.

(D) It was in strips of bark.

6. The Italian chemists mentioned in the passage most probably conducted their studies on willow bark

(A) in the 1750s

(B) in the 1760s

(C) in the 1770s

(D) in the 1780s

7. What is true about Brugnatelli and Fontana?

(A) They were from Italy.

(B) They added a chemical to the willow bark.

(C) They conducted studies on the willow bark.

(D) They were medical doctors.

8. The expression “prior to” in line 14 could best be replaced by

(A) at

(B) before

(C) during

(D) after

9. The word “turn” in line 15 could best be replaced by

(A) spin

(B) corner

(C) change

(D) reversal

10. Where in the passage does the author name the scientific compound that makes up aspirin?

(A) Lines 2-4

(B) Line 7

(C) Lines 8-9

(D) Lines 14-15
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Aspirin’s origins go back at least as early as 1758. In that year, Englishman Edward Stone noticed a distinctive bitter flavor in the bark of the willow tree. To Stone, this particular bark seemed to have much in common with “Peruvian Bark,” which had been used medicinally since the 1640s to bring down fevers and to treat malaria. Stone decided to test the effectiveness of the willow bark. He obtained some, pulverized it into tiny pieces, and conducted experiments on its properties. His tests demonstrated that this pulverized willow bark was effective both in reducing high temperatures and in relieving aches and pains. In 1763, Stone presented his findings to the British Royal Society.Several decades later, further studies on the medicinal value of the willow bark were being conducted by two Italian scientists. These chemists, Brugnatelli and Fontana, determined that the active chemical that was responsible for the medicinal characteristics in the willow bark was the chemical salicin, which is the active ingredient of today’s aspirin.The name “aspirin” is the trade name of the drug based on the chemical salicin, properly known as acetylsalicylic acid. The trade name “aspirin” was invented for the drug in the 1890s by the Bayer Drug Company in Germany. The first bottles of aspirin actually went on sale to the public just prior to the turn of the century, in 1899.1. According to the passage, aspirin originated(A) no later than 1758(B) sometime after 1758(C) definitely sometime in 1758(D) no earlier than 17582. It can be inferred from the passage that Peruvian Bark(A) caused fevers(B) was ineffective in treating malaria(C) was described to the British Royal Society by Stone(D) was in use prior to aspirin3. The pronoun “it” in line 5 refers to(A) malaria(B) willow bark(C) effectiveness(D) the British Royal Society4. The word “properties” in line 6 could best be replaced by(A) ownership(B) body(C) characteristics(D) materials5. What did the willow bark look like after Stone prepared it for his experiments?(A) It was in large chunks.(B) It was a thick liquid.(C) It was a rough powder.(D) It was in strips of bark.6. The Italian chemists mentioned in the passage most probably conducted their studies on willow bark(A) in the 1750s(B) in the 1760s(C) in the 1770s(D) in the 1780s7. What is true about Brugnatelli and Fontana?(A) They were from Italy.(B) They added a chemical to the willow bark.(C) They conducted studies on the willow bark.(D) They were medical doctors.8. The expression “prior to” in line 14 could best be replaced by(A) at(B) before(C) during(D) after9. The word “turn” in line 15 could best be replaced by(A) spin(B) corner(C) change(D) reversal10. Where in the passage does the author name the scientific compound that makes up aspirin?(A) Lines 2-4(B) Line 7(C) Lines 8-9(D) Lines 14-15
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Kết quả (Ả Rập) 3:[Sao chép]
Sao chép!
أصل الأسبرين العودة على الأقل في أقرب وقت 1758.في تلك السنة، الانكليزي إدوارد ستون لاحظت المرير نكهه مميزة في لحاء شجرة الصفصاف.الحجر، وهذا خاص النباح يبدو أن لديها الكثير من القواسم المشتركة مع بيرو النباح الذي تم استخدامه طبي منذ 1640s لتحقيق أسفل حميات لعلاج الملاريا.ستون قررت اختبار فعالية الصفصاف اللحاء.حصل على بعض المسحوق الى قطع صغيرة، وأجرت تجارب على خصائصه.وأضاف أن التجارب أثبتت أن هذا مسحوق لحاء الصفصاف كانت فعالة في الحد من ارتفاع درجات الحرارة في تخفيف آلام.عام 1763، ستون قدم استنتاجاته إلى الجمعية الملكية البريطانية.عدة عقود في وقت لاحق، على إجراء مزيد من الدراسات بشأن القيمة الطبية من لحاء الصفصاف تجري من قبل اثنين من العلماء الإيطاليين.هؤلاء الكيميائيين، brugnatelli فونتانا، قرر أن الكيميائية النشطة التي هي المسؤولة عن الخصائص الطبية في الصفصاف النباح ساليسين الكيميائية، والذي هو العنصر النشط من الاسبرين اليوم.اسم "الأسبرين" هو الاسم التجاري للدواء على أساس كيميائي ساليسين بالشكل المعروف أسيتيل ساليسيليك.الاسم التجاري "الأسبرين" اخترع هذا العقار في 1890s من باير شركة أدوية في ألمانيا.أول زجاجة من الاسبرين فعلا ذهب للبيع أمام الجمهور قبل نهاية القرن، في 1899.1.حسب المقطع و الاسبرين نشأت(أ) في موعد أقصاه 1758(ب) أحيانا بعد 1758(ج) بالتأكيد في عام 1758(د) أي في وقت سابق من 17582.ويمكن الاستدلال على ذلك من المقطع أن بيرو النباح(أ) تسبب الحمى(ب) كانت غير فعالة في علاج الملاريا(ج) وصف المجتمع الملكي البريطاني من الحجر(د) الاستخدام قبل الاسبرين3.الضمير "هو" في السطر الخامس يشير إلى(أ) الملاريا(ب) لحاء الصفصاف(ج) الفعالية(د) المجتمع الملكي البريطاني4.كلمة "الممتلكات" الواردة في السطر الرابع يمكن الاستعاضة عنها أفضل(أ) الملكية(ب) الجسم(ج) الخصائص(د) المواد5.ماذا تبدو مثل لحاء الصفصاف بعد حجر أعدت عليه تجاربه؟(أ) كان في قطع كبيرة.(ب) كان عبارة عن سائل كثيف.(ج) وكان الخام مسحوق.(د) كان في شرائط من النباح.6.الكيميائيين الإيطالية المذكورة في المقطع على الأرجح بإجراء دراستهم على لحاء الصفصاف(أ) في ملحق: عقد 1750(ب) في 1760s(ج) في 1770s(د) في 1780s7.ما صح عن brugnatelli فونتانا؟(أ) كانوا من ايطاليا.(ب) وأضافوا مادة كيميائية إلى لحاء الصفصاف.(ج) أنها أجرت دراسات على لحاء الصفصاف.(د) كانوا من الأطباء.8.عبارة "قبل" في السطر 14 يمكن الاستعاضة عنها أفضل(أ) في(ب) قبل(ج) أثناء(د) بعد9.كلمة "تحويل" الواردة في السطر 15 يمكن الاستعاضة عنها أفضل(أ) تدور(ب) ركن(ج) تغيير(د) عكس10.حيث في المقطع هل صاحب الاسم المجمع العلمي الذي يجعل الأسبرين؟(أ) خطوط 2-4(ب) السطر 7(ج) خطوط 8-9(د) خطوط 14-15
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