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【单选题】
下列哪种方式是用类选择器定义样式的( )A.
. one{color: red}
B.
p,h1{color: red}
C.
#two{color: red}
D.
p{color: red}
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】从早上9点开始输液,若使1000ml液体在5小时内滴完,输液速度为
A.
40滴/分 ;
B.
45滴/分 ;
C.
50滴/分 ;
D.
55滴/分 ;
E.
60滴/分
【简答题】What’s the bet between the two brothers?
【简答题】在两个密封、绝热、体积相等的容器中,装有压力相等的某种理想气体。试问,这两容器中气体的温度是否相等?
【单选题】— Li Na went out of the China Open in the first round. Why should she be defeated by such an unknown player? — Well, that's OK. She __________ enough after becoming the world champion. [ ]
A.
could not train
B.
must not have trained
C.
can not train
D.
may not have trained