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【简答题】
(8分)①1mol有机物HCHO（甲醛）完全燃烧耗O 2 的物质的量为 。 ② 1mol有机物CH 3 COOH完全燃烧耗O 2 的物质的量为 。 ③有机物C n H m O c 完全燃烧时需要O 2 的物质的量是该有机物的n倍，则n：m：c= 且n、m满足的关系式为 。
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皮皮学刷刷变学霸
举一反三
【简答题】EBSM技术的热源是( )。
【简答题】Students need to learn how to __________ (organise) their work. (organize)A. organize
【简答题】A．host B．take C．run D．organize
【单选题】My friend, Hugh, has always been fat, but things got so bad recently that he decided to go on a diet. He began his diet a week ago.、 划线处的意思是:
A.
东西（复述）
B.
情况；情形
C.
某些东西（负数）
【简答题】Please join the following three sentences into one sentence: (需要录音) My friend, Hugh, has always been fat. But things got so bad recently. Then he decided to go on a diet.
【单选题】How do people in the aboriginal community in Australia organize time?
A.
They organize time from left to right.
B.
They organize time from north to south.
C.
They organize time from east to west.
D.
They organize time from west to east.
【简答题】EBSM 技术是指（）技术A. 电子束选区熔化
【单选题】My friend, Hugh, has always been fat, but things got so bad recently that he decided to go on a diet. He began his diet a week ago.、 划线处的意思是:
A.
如此（太）...以至于
B.
因为...所以...
C.
不但...而且
D.
不仅...还
【简答题】A volunteer is needed to organize the .
【简答题】A．host B．take C．run D．organize
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