①小溪的流向是自西北向东南流
②当D处正午的气温为20℃时,此时C处的气温为21.8℃
③从C点爬到山顶A比从E点爬到山顶A更容易
④在地图上量得C到D的直线距离为3厘米,则两地之间的实际距离为3千米
A:①③
B:②③
C:①④
D:②④
资料一:2015年10月,中国女药学家屠呦呦因致力于青蒿素对疟疾的重大贡献获诺贝尔奖。疟疾是由疟原虫(单细胞生物)所致的急性传染病,该病通过按蚊叮咬传播。她发现的青蒿素可以有效降低疟疾患者的死亡率。
资料二:自安哥拉黄热病疫情爆发以来,包括我国在内的多个国家已经发现输入性病例。黄热病是由黄热病毒所致的急性传染病,通过伊蚊叮咬传播。人对黄热病毒普遍易感,接种疫苗可获得持久免疫力。
Are you a sports lover looking for skill development in the off-season?
Joy of the Game (JG) has been working for the past 10 years. Come and join JG to develop skills as you prepare for the next season.
Classroom Information
Ages
Boys 8th—12th Grade
Skills
All Skill Levels
Days
Sunday (A 10—week Program)
Half Day: Morning: 9:00 am—12:00 pm
Afternoon:1:00 am—4:00 pm
Sample
Schedule
Morning Period: (9:00 am—12:00 pm): Basketball, Volleyball, Floor Hockey
Lunch Break: 12:00 pm—1:00 pm (Kids Must Bring Their Own Lunch)
Afternoon Period: (1:00 pm—4:00 pm): Basketball, Floor Hockey, Soccer, Relay Races
Costs
Half Day: $ 50 per day
Full Day: $ 90 per day
“十月怀胎,一朝分娩”.图中胎儿在母体内发育的主要场所是( )