问题
选择题
如图所示为某种有机物加入酶后，置于0℃至80℃环境中，有机物的分解总量与温度的关系图。根据该图判断，如果把这些物质置于80℃到0℃的环境中处理，在A～D四图中，符合其关系的图是(注：纵坐标为有机物的分解总量)
A．
B．
C．
D．
答案
答案：B
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如图所示为某种有机物加入酶后，置于0℃至80℃环境中，有机物的分解总量与温度的关系图。根据该图判断，如果把这些物质置于80℃到0℃的环境中处理，在A～D四图中，符合其关系的图是(注：纵坐标为有机物的分解总量)
A．
B．
C．
D．
答案：B
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| Building a house is an operation which costs 1 a lot of money. Suppose you plan to 2 a house, your first step is to find a suitable piece of 3 . You will probably 4 to find a sunny place, in a 5 situation, near stores and bus stops, not too far from your friends and the place 6 you work. Next you will find an 7 builder. And together with the builder you will make a 8 . The builder will draw it. The builder will also 9 the cost of your house. He will estimate (估计) the cost of the wood, the glass, and everything else that he must use in 10 the house. Later on, when he starts to build, this estimate must 11 , because the prices may 12 , and many other things may happen 13 the time when he makes the estimate and the time when he builds the house. 14 the builder gives you his estimate, you may wish to change your plan. You may find that some of the things you wanted at first cost too much, or that you can 15 a little more and add something to your original plan. | |||
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