快滤池采用钻孔管配水,属于()
A.大阻力配水系统
B.小阻力配水系统
参考答案:A
句子大变脸:按要求改写句子。
1. My father is a doctor. (对画线部分提问)
____________ ____________ your father?
2. There are three people in my family. (对画线部分提问)
____________ ____________ people are there in your family?
3. Can you spell these words? (作否定回答)
No, ____________ ____________.
急性心肌梗死伴频发室性期前收缩呈二联律,应首选治疗的药物是()
A.普罗帕酮
B.美托洛尔
C.胺碘酮
D.利多卡因
E.奎尼丁