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【简答题】
实验设计（在下列（1）（2）两小题中任选一题作答，若两小题都答，则以第（1）小题的答案来评定分数）． （1）设计实验证明二氧化碳能溶于水．（写出实验方法、现象、结论） （2）设计实验证明分子之间有间隔．（写出实验方法、现象、结论）
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皮皮学刷刷变学霸
举一反三
【单选题】考虑图中的目录树，如果当前工作目录是/usr/jim，则相对路径名为../ast/x的文件的绝对路径名是（）。【图片】
A.
/ast/x
B.
/usr/jim/ast/x
C.
/usr/ast/x
D.
x
【单选题】请解释“维以不永伤”中“以”字的意思 A:任用,运用,使用 B:介词,藉此 C:原因,道理 D:认为
A.
任用，运用，使用
B.
介词，藉此
C.
原因，道理
D.
认为
【简答题】An increase in students applying to study economics at university is being attributed to (归因于)the global economic cr awakening a public thirst for knowledge about how the financial system works. A...
【判断题】On Beginning of Autumn, farmers form the custom of “sticking sparrow’s mouth” with the wish to prevent the sparrows from destroying the crops.
A.
正确
B.
错误
【单选题】As early as in ___________, the first eight solar terms were defined, such as the Beginning of Spring, the Summer Solstice, the Autumn Equinox, etc.
A.
the Tang Dynasty
B.
the Shang Dynasty
C.
the Zhou Dynasty
D.
the Spring and Autumn Period
【简答题】On Beginning of Autumn, people are accustomed to eating watermelons or corns, called _________.
【简答题】Usually after Beginning of Autumn, it is the time for the last period of sanfu, the dog days. As a result there will be a spell of hot weather, which is popularly known as _________.
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