稳流鼓泡法适用于()
A.苯吸入染毒
B.氯气吸入染毒
C.颗粒物吸入染毒
D.SO2+颗粒物吸入染毒
E.苯+颗粒物吸入染毒
参考答案:B
Change the forms of the following sentences. 句型转换。
1. I eat vegetables three times a day.(对划线部分进行提问)
2. My favourite fruit is melon.(对划线部分进行提问)
3. I watch sports on TV.(变为一般将来时)
4. Do you often help your family ?(作出肯定回答)
5. Kim eats breakfast six times a week.(变为一般过去时)
治疗心绞痛的常用药物有()
A.硝酸酯类制剂
B.钙通道阻滞剂
C.β受体阻滞剂
D.吗啡制剂
E.扩血管剂