问题
问答题 简答题
时间因素对成土过程有什么影响？
答案
参考答案：
（1）土壤相对年龄越长，土壤个体发育中发生层的分化越明显；
（2）土壤的阶段发育是反映土壤的性质和类型随着时间的推移而发生的演变，演变程度的差异就是土壤相对年龄的差异。
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时间因素对成土过程有什么影响？
参考答案：
（1）土壤相对年龄越长，土壤个体发育中发生层的分化越明显；
（2）土壤的阶段发育是反映土壤的性质和类型随着时间的推移而发生的演变，演变程度的差异就是土壤相对年龄的差异。
What a busy day! The three boys were fed, bathed and changed into their nightclothes.Mary had them a story and finally they were asleep. “Babysitting (照看) the three boys aged eight, six and four is extremely ,” she thought. “Sleep, " she considered, "if only I could!" But she had difficult homework to complete. Leaning back, she her feet onto the sofa to get comfortable. Whoever said babysitting was a(n) way to make money obviously hadn't met the three boys, she thought.The television was on, the room was warm, and the lights were dim.Mary's felt heavier and heavier.I mustn't sleep, she thought—which was whatshe did, of course. Strangely enough, she soon that she was a world-famous chef (主厨). She made a and wore diamonds and designer clothes. Most days she by the pool, meeting the rich and famous or reading—her favorite hobby. She took the leading role in her own TV show. Then she woke up, shocked and confused. was pouring from the kitchen. Rushing to investigate, she was met by three little faces and some very burnt bread.
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