可增加心肌对儿茶酚胺的敏感性,易诱发心律失常的全麻药是
A.异氟烷B.氟烷C.七氟烷D.醚E.氧化亚氮
参考答案:B
A.The people there are terrible.
B.The air is polluted.
C.It’s too windy.
D.The beaches are dirty.
漆膜泛白的原因是()。
A.涂料太稀
B.涂料太稠
C.环境温度太高
D.环境湿度太大