问题
单项选择题 B型题
乙型肝炎的主要传播途径（）
A.飞沫传播
B.唾液传播
C.垂直传播
D.粪口途径传播
E.经注射、输血或血制品传播
答案
参考答案：E
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乙型肝炎的主要传播途径（）
A.飞沫传播
B.唾液传播
C.垂直传播
D.粪口途径传播
E.经注射、输血或血制品传播
参考答案：E
Building a house is an operation which costs quite a lot of money．Suppose you plan to 1 a house，your first step is to find a suitable piece of 2 ，You will probably try to find a sunny place，in a 3 situation，near stores and bus stops，not too far from your friends and the place where you work． Next you will find an 4 builder．And together with the builder you will make a 5 ，The builder will draw it．The builder will also 6 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 building the house．Later on，when he starts to build，this estimate must 7 ，because the prices may 8 ，and many other thing may happen between the time when he makes the estimate and the time when he builds the house． 9 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 10 a little more and add something to your original plan．
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