已知某组数据采用了四种不同的回归方程进行回归分析,则回归效果最好的相关指数R2的值是( )
A:0.97
B:0.83
C:0.32
D:0.17
桥梁的承重力跟桥梁的( )有关。
读右图,判断从A到B再到C,方向是( )
在二倍体生物中,存在同源染色体的细胞是( )
①减数第一次分裂中期细胞 ②减数第二次分裂中期细胞
③减数第一次分裂后期细胞 ④减数第二次分裂后期细胞.
Car Services
Bring your car into Car Services today!We will clean your car and repair your engine at very reasonable prices. Drive your car into our workshop located at Xinhua Road, or make an appointment.
Tel:7195638
Car Washing: ¥10
Engine Repairing: Only ¥180
Tyre (轮胎) Servicing: ¥15 for each
The building which saves people from bad weather.
This building near the sea in New Orleans looks like something from a scifi film (科幻电影). It is over 360 meters high, and is designed to house up 40,000 people, named the Noah. This building is strong enough to avoid the damages of bad weather.
Beach Cleanup Day
We need volunteers to clean the beach!
Sunday, July 20
Meet at 8:30 a.m. at Coast Square.
Start at 9:00 a.m. and end at noon.
Bring bags and gloves.
For more information, call Zhang Lin at 564-0657.
Apartment to Rent (出租)
A new apartment to be rented in the city centre. One bedroom and one kitchen. Near the bus station, at No. 22 Changjiang Road. Buses pass the front gate.
If you are interested, please have a look at the apartment or you can call Mrs. Yu at 2747130.