归经是指（） A.药物具有的升降浮沉的作用趋向 B.药物具有的寒_爱下问搜题

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问题单项选择题 A1型题

归经是指（）

A.药物具有的升降浮沉的作用趋向

B.药物具有的寒热温凉四种性质

C.药物具有的辛甘酸苦咸五种滋味

D.药物对于机体某部分的选择性作用

E.药物对于机体有无毒副作用

答案

参考答案：D

解析：考点：归经是指药物作用归属脏腑经络的概念，如知母具有清泻肺胃气分实热，又能滋肾阴，润肾燥而退骨蒸，归属肺、胃和肾经；龟甲可滋补肝肾之阴而退内热，又有养血补心之效，归属心、肝和肾经；麝香具有开窍醒神的作用，归心经；杏仁能治胸闷咳喘，归肺经等。

判断题

关税同盟与自由贸易区的区别在于是否建立对非同盟成员国统一的关税税率。（）

完形填空

The back door of the ambulance(救护车) was suddenly shut and the driver ran to the front, jumped into his seat, and started the engine. Inside were the 36 parents, Mr and Mrs Green, the mother holding their baby daughter Ally. The little girl had 37 food stuck in her throat and could hardly breathe.
The driver, Mr white, 38 his siren (报警器) and flashing light, and started speeding towards the nearest hospital, fighting against _39 _. The cars ahead of him pulled out of the way as he drove through the 40. From the back of the 41 the parents were shouting at him to 42 , since Ally had almost stopped 43 . In front of him he saw some traffic lights, with the red “STOP” light shining. Mr White knew that he had no time to 44 , so he drove straight past the traffic lights, looking 45 his left and right as he did so.
Coming towards him from his right was a taxi. The driver had the windows 46 , since the car was air-conditioned, and he was playing his radio. He did not 47 the ambulance. The lights were green, so he drove straight 48 into the path of the ambulance.
Mr White tried to stop his ambulance but it was too late. It hit the taxi. Everybody was shaken but no one was hurt. Mr White looked to see 49 little Ally was. He was astonished to see relief (宽慰) instead of 50 on the faces of the parents.
“Look!” cried Mrs Green. “She is 51 again.”
“It must have been the 52 .” said her husband. “It 53 the food out of her throat.” The baby’s color was turning to normal, and she was crying in a loud but healthy 54 .
They were all joyful, and quite forgot about the accident, the taxi, and the lines of 55 all around them.

A．empty street

B．busy traffic

D．deserted place