简介:There they watch the first sunrise of the new Year.1. This story is about New Year's Eve in ______.A. EuropeB. Europe and Latin Aucerica.C. Four capital cities.D. Three countries.2. The writer thinks New Year's Eve in Rome is _____.A. interestingB. dullC. noisyD. happy3. The number of grapes that must be take. From each bag is _____.A. one B. twelveC. thirteenD. fourteen4. People in both Spain and Japan spend the New Year's Eve ____.A. throwing things awayB. eating a special foodC. climbing a mountainD. watching the first sunrise5. People climb Mount Fuji on the New Year's morning to ____.A. look for happinessB. meet their friendsC. enjoy the beauty of natureD. do something strange6. People who hope to gain long life from their New Year's food are the ____.A. JapaneseB. SpanishC. ItaliansD. both A and BLook through the questions first. No. 1,question No. 2 and No. 5 are comprehensive ones.Then browse the article. From the questions and the title you may know that the article is about the festival custom of different countries. The article includes three paragraphs. Each talks of a different place ____ Rome,Madrid and Tokyo.So when you have the first glance over the article
简介:5-Amino-1,10-phenanthrolineandthreetypesofnew5-substituted1,10-phenanthrolinederivativesbydifferentalkylamides,phen-NHCOR[phen=1,10-phenanthrolineR=CH=CH2;(CH2)nBr,n=1,3-5(CH2)nCH3,n=9--14],weresynthesized.Theywerecharacterizedbymeansofelementalanalyses,infraredspectroscopy,protonnuclearmagneticresonancespectroscopy,andmassspectroscopy.Thesenewcompoundsareimportantligandsortheactivematerialsofruthenium(Ⅱ)electrochemiluminescent(ECL)sensors.