药物对不同种属的动物所表现的特点是A．有效剂量差异很大 B．产

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问题单项选择题

药物对不同种属的动物所表现的特点是

A．有效剂量差异很大

B．产生相同的药理作用

C．血药浓度极为相似

D．有效剂量差异很大，但产生相同的药理作用时的血药浓度却极为相近

E．有效剂量差异不大，而产生相同药理作用时的血药浓度却不相近

答案

参考答案：D

改错题

句子改错（共8小题；每小题1分，满分8分）

小题1:You are terrible ill . You’d better stay in bed . ________

小题2:The twins didn’t feel well , but they didn’t come . ________

小题3:There is going to have a dolphin show in the zoo . ________

小题4:Yesterday was her birthday. She bought himself a nice diamond necklace.

小题5:Though he is a five-year-old boy, but he can play computer very well .____________

小题6:It’s hard for him to do so many homework in one day . __________

小题7:Computer is one of the greatest invention. I can’t imagine life without it

小题8:I think doing some exercise can make you feel relaxing after a day’s work.

选择题

每天早、中、晚餐的能量摄入比例正确的是（　　）

A．30%；40%；30%

B．40%； 30%； 30%

C．20%；40%；40%

D．30%； 30%； 40%