问题
配伍题
特发性血小板减少性紫癜的表现是（）。过敏性紫癜（关节型）的表现是（）。
A.贫血和出血程度一致
B.贫血和出血程度不一致
C.有贫血而无出血
D.有出血而无贫血
E.无出血亦无贫血
答案
参考答案：A,B
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特发性血小板减少性紫癜的表现是（）。过敏性紫癜（关节型）的表现是（）。
A.贫血和出血程度一致
B.贫血和出血程度不一致
C.有贫血而无出血
D.有出血而无贫血
E.无出血亦无贫血
参考答案：A,B
Dolphins are mammals, not fish. Can dolphins talk? Maybe they can’t talk as human beings do, but they talk with sounds. They show their with sounds. Dolphins travel in a group. We call a group of fish a “school”. They don’t like school children, but they travel together. Dolphins talk to each other in the school. They give out different . They tell when they are happy or sad or afraid. They say “ ” when a dolphin comes back to the school. They talk when they play. They can even make sounds above water. However, they make many more sounds under water. People hear these sounds because the sounds are very, very high. make tapes of the sounds and study them. Sometimes people catch dolphins for a large aquarium (水族馆). People can watch the dolphins in a . Dolphins don’t like to be in an aquarium away from the sea. They are sad and lonely. Dolphins are very friendly animals. Maybe you have heard some that people are saved by dolphins at sea. Dolphin meat is good, people don’t like to kill them. They say that dolphins bring good luck.
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