问题
单项选择题
色甘酸钠预防哮喘发作的机制是
A．直接松弛支气管平滑肌
B．有较强的抗炎作用
C．有较强的抗过敏作用
D．阻止抗原与抗体结合
E．稳定肥大细胞膜，抑制过敏介质释放
答案
参考答案：E
搜题请搜索小程序“爱下问搜题”
色甘酸钠预防哮喘发作的机制是
A．直接松弛支气管平滑肌
B．有较强的抗炎作用
C．有较强的抗过敏作用
D．阻止抗原与抗体结合
E．稳定肥大细胞膜，抑制过敏介质释放
参考答案：E
根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，选项中有两项多余选项。 Laurance: What kind of a car do you have? Soony: An old one. Laurance: I know it’s old, but 小题1: Soony: It’s a Chevrolet. Why do you ask? You are going into the car business? Laurance: Nothing like that. My cousin is going to take a job overseas and he can’t take his car with him, so he’s going to sell it cheap. 小题2: Soony: Well, I have been thinking about getting a newer car. I can’t afford a brand new one. Laurance: 小题3: Soony: Is it a four-door or a two-door? Laurance: It’s a coupe (双门小汽车) with a vinyl roof. Soony: 小题4: Laurance: Yes, and it also has power steering, power brakes, and air conditioning. Soony: I guess I might take a look at it. How much is he asking? Laurance: 小题5: Soony: Okay. Set it up for me to see it, if you can.
|