题干
黄蜂的毒液呈碱性，若被黄蜂蜇了，涂抹下列物质可缓解疼痛的是（ ）
A：食盐水（pH≈7 )
B：牙膏 (pH≈9)
C：肥皂（pH≈10 )
D：米醋(pH≈3)
答案(点此获取答案解析）
D
13日，最高人民法院相关负责人接受《财经》记者采访时透露，今年上半年，全国法院受理劳动争议案件近17万件，同比增长30%。实现和维护劳动者权益是社会主义制度的本质要求。劳动者获得权利、维护权益的基础是 ( )
Today is Sunday. There's no school. It is sunny. Charlie and his father are going to the park. Look. Charlie is riding his bike. He is very happy. His father is sitting under a big tree. He is reading a newspaper. In the afternoon, the weather is bad. It is cloudy. Now it is raining. Charlie and his father have no umbrella. They are running home. But they forget their bike.