健康长寿是每个人的美好愿望.以下有关健康生活的说法或做法正确的是( )
A:一旦感冒发烧,自己赶紧购买服用抗生素,以免病情加重
B:长期吸烟的人不能轻易戒烟,否则反而容易诱发其他疾病
C:从出生起有计划地接受预防接种可以提高人体对传染病的抵抗能力
D:流行性感冒属于消化道传染病,在流感高发季应避开人流密集区域
Plan for this trip
Sunday
Lily has a rest in the hotel. John and Tom go to visit their Chinese friends.
Monday
Lily, John and Tom go to the Great Wall.
Tuesday
Lily and John go shopping. Tom watches TV in the hotel.
Wednesday
Lily, John and Tom go to the Palace Museum.
Thursday
Lily and Tom go to Tian'anmen Square. John goes to the movie theatre to watch a movie.
Friday
Lily and her Chinese friend go shopping. John and Tom go to the zoo.
Saturday
Lily, Tom and John leave China and go back to the U. S.
湖陆风是在较大水域和陆地之间形成的以24小时为周期的地方性天气现象。下图为洞庭湖某时刻测得的湖陆风垂直结构示意图。读图完成下列各题。
顺口溜
平舌声母zcs不会坐椅子,屁股落到椅背,变成翘舌____,____ ,____。
---Yes. I ________ it a week ago.