题目

“纸火锅”（如图）是用纸张代替金属材料做容器盛放汤料，当酒精燃烧时纸张不会燃烧．对此现象，下列解释合理的是 A．纸张不是可燃物，不能燃烧 B．纸张被水浸湿，导致着火点降低 C．空气不充足，纸张不会燃烧 D．水蒸发时吸热，温度达不到纸张的着火点 答案：DForeign language study starts at a very young age for many students in America. A report by the America Council on the Teaching of Foreign Languages says that some students start language training at the age of six. The US students are not required (被要求) to receive foreign language training so early. However, many students choose to study foreign languages in primary school. The most popular languages for them are Spanish(西班牙语), French and German(德语).Almost 7 million students in public secondary school in America are studying a foreign language. These students are from 12 to 17 years old. Nearly 70% of the students choose to study Spanish. French, German, Italian(意大利语), Japanese(日语) and Russian(俄语) are also popular. There is also a growing interest in the Arabic(阿拉伯语) language in the US.Each state(州) sets its own requirements for foreign language study at junior high school senior high school. Many students graduate from high school with at least two years of foreign language study. Some study a foreign language for four years.There are different foreign language study requirements at colleges and universities(大学). Some universities require students to have several years of language education in high school. Also, many colleges and universities require students to complete at least two years of foreign language study before graduating.【1】In America, many students start to study a foreign language ___________.A. at a very young age??? B. at the age of 8C. in high school??? D. in secondary school【2】The America report shows that ___________.A. parents are too strict in their children’s studiesB. some students start language training earlyC. some students have a special love for foreign languagesD. the US should build more schools for language learning【3】In the US, ___________ is the most popular foreign language in both primary and secondary schools.A. German??? B. French??? C. Spanish??? D. Japanese【4】In America, many college graduates ___________.A. needn’t get foreign language trainingB. are interested in learning foreign languagesC. have learned different languages for 3 yearsD. have at least 2 years of foreign language study【5】From the passage we can learn ___________.A. learning a foreign language at a very young age is good for childrenB. many American parents choose Arabic (阿拉伯语) for their children to studyC. Some US universities require students to learn several languages in high schoolD. in the US, different states have different requirements for foreign language study