问题
单项选择题
干冰是由（）凝结成的。
A．二氧化碳气体
B．二氧化氮气体
C．水
D．二氧化硅
答案
参考答案：A
解析：干冰是二氧化碳的固体形式.
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干冰是由（）凝结成的。
A．二氧化碳气体
B．二氧化氮气体
C．水
D．二氧化硅
参考答案：A
解析：干冰是二氧化碳的固体形式.
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| Different countries have different food.If you go to 1 , you may find 2 fish and chip shops along the 3 . Fish and chips is the 4 popular take-away food in England.People often 5 this kind offood at shops, 6 sometimes they put the food 7 paper bags and take it 8 or to their workplaces. Chinese take-away food is also 9 in England, Australia and the USA, but the most popular take-a-way food in the USA 10 fried chicken.lt:s very delicious! | |||
| ( )1.A. Australia ( )2.A. few ( )3.A. roads ( )4.A. very ( )5.A. have ( )6.A. for ( )7.A. on ( )8.A. home ( )9.A. different ( )10.A. was | B.China B. little B. streets B. most B. sell B. so B. away B. office B. cheap B. were | C. England C. much C. ways C. quite C. put C. but C. into C. house C. delicious C. is | D. theUSA D. many D. rivers D. more D. take D. too D. outof D. school D. popular D. are |