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【简答题】
指出下列句子运用的说明方法。 (1)当然我们也不能忘掉人的作用。例如,在建筑兰新铁路的时候,一个山头在几分钟内就被炸掉了,这相对地质作用的速度可要快多了。( ) (2)根据计算,大约3 000到10 000年的时间,可以形成1的岩石。 ( ) (3)岩石在最初生成的时候,像书页一样平卧着,一层层地叠在一起,最早形成的“躺”在最下面。( )
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【简答题】When was the last time you had great fun with your family? 小题1: So stand up and plan to have fun with your family． Going to the zoo is definitely a number-one pick for family activities. Other than vi...
【单选题】普通的外科口罩,它不能制止冠状病毒的进入,因为它的颗粒很小。但戴口罩是( )的,因为口罩是防止飞沫的传染,而这个冠状病毒主要是附着在飞沫上,它不会自己飞来飞去的。
A.
不能
B.
能
C.
有用
D.
无用
【单选题】Things were never easy within the family. But at a time when the family was oriented toward the production of goods, which alone made the survival of its members possible, there was an obvious necessi...
A.
strong emotional demand
B.
necessity of survival
C.
blood relationship
D.
habits in existence
【单选题】听力原文：M: How do you manage to feed your family when the food prices are so high? W: We have a garden and some fruit trees, and we raise some fish in the small pond. Q: What does the woman's family do a...
A.
They produce part of their own food.
B.
They sell their own produce.
C.
They feed their family on cheap food.
D.
They buy food from farmers.
【简答题】When I told my family that I was thinking of taking a cooking job, the roars of laughter were rather discouraging. No one believed that I could cook at all, as I had never had achance to practise at h...
【单选题】听力原文：M: How do you manage to feed your family when food prices are so high? W: We have a garden and some fruit trees, and we raise some fish in the small pond. What does the woman's family do about th...
A.
They produce part of their own food.
B.
They sell their own produce.
C.
They feed their family on cheap food.
D.
They buy food from farmers.
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