单项选择题

燃烧应具备可燃物、助燃物、着火源三个条件。()

A.正确
B.错误
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不定项选择
理想气体的任意两个状态参数确定后,气体的状态就一定确定了。
A.正确
B.错误
未分类题
听力原文: The 'American dream' is an idea that grew from TV programs, books, and stories about family lifE.The idea began in the 1950s, after World War 11. What was the 'dream' ?As the first step, families bought or built a comfortable little home in the suburbs. This often meant a long commute to work. Many husbands road the train or drove two hours each day, but this was part of the dream.The husband 'wore the pants' in the family. He made the decisions because he went to work, he paid the bills, and he 'put' food on the table, Of course, his wife actually cooked the meals!The wife spent her time at homE.She took care of the children and kept housE.Occasionally she found time for a hobby.(33)A.Dreams about a comfortable little homE.B.Dreams about becoming an American citizen.C.Dreams about family lifE.D.Dreams about books and stories.
A.B.
(33)
A.Dreams
C.
B.Dreams
D.
C.Dreams
E.
D.Dreams
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