病历摘要：3岁患儿，自生后6个月开始出现紫绀，有杵状指。平时活_爱下问搜题

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病历摘要：3岁患儿，自生后6个月开始出现紫绀，有杵状指。平时活动后发绀加重。查体：发育营养稍差，心前区隆起，心尖搏动弥散，并触及收缩期震颤，胸骨左缘第4肋间可闻及Ⅲ～Ⅳ粗糙的收缩期杂音，胸部X线检查示“靴型”心影，肺血减少。

法洛四联症X线检查特征有（）

A.肺血增多

B."靴型"心影

C.大动脉阴影狭小

D.肺动脉段下陷

E.肺血减少

F.肺纹理减少

答案

参考答案：B, D, E, F

填空题

对甲基苯甲酸乙酯()是用于合成药物的中间体。请根据下列转化关系回答有关问题

(1)D中含有官能团的名称是________，A－E的反应类型为______。

(2)G的结构简式为_______。

(3)写出1种属于酯类且苯环上只有一个取代基的C₈H₈O₂的同分异构体。

(4)丁香酚()是对甲基苯甲酸乙酯的同分异构体，下列物质与其能发生反应的是________(填序号)。

A．NaOH溶液

B．NaHCO₃溶液

C．KMnO₄/H⁺

D．FeCl₃溶液(5)写出合成对甲基苯甲酸乙酯的化学方程式_______________。

完形填空

In some countries, people eat rice every day.   36   they eat it two or three times a day，for breakfast, lunch and supper. They can   37  it, fry (煎) it or   38   it into rice noodles. They usually eat it   39  meat, fish and vegetables.
Some people do not eat some kind of   40 . Muslins, for example, do not eat pork, and Hindus do not eat beef.
The Japanese eat a lot of fish. Japan is an island and its   41  go all over the Pacific looking for fish to   42 . The Japanese sometimes eat uncooked fish, and they also eat a lot of rice.
In   43  such as Britain, Australia and the United States, the most important food is   44  or potatoes. People there usually make their bread from wheat flour. They   45  potatoes in different ways. They can boil them，fry them and roast (烤) them.
In Africa, maize (玉米) is the most important food.   46  rice and wheat, maize is a kind of cereal (谷物). African people make the maize   47  flour. From this flour they make   48  kinds of bread and cakes. Many Africans are very   49  and they can’t afford to eat much   50  with their cereal.
Cereals are a very important kind of food   51  we also need plenty of vegetables and lots of fresh   52 .
Some people eat   53  fruit and vegetables. They do not eat meat or fish or   54  that comes from animals. They eat only food from   55 . Some people say that food from plants is better for us than meat.

C．fishing boats

D．developing countries