阅读下文，判断正误，正确的写“T”，错误的写“F”。
Garden of the World's Flowers and Plants, a-42-hectare botanical garden recently opened in downtown
Beijing, will prepare a special trip for foreigners in Beijing next Sunday, January 14.
The garden is an amazing place to view the green world during Beijing's bleak and desolate winter.
The tour of the garden lasts about two hours.
Lunch is prepared for foreign tourists in the garden's restaurant, hidden in a green hothouse.
Gifts of fresh potted flowers and plants are also prepared for each foreign visitor.
Time: 9 am to1:30 pm, January 14.
Departure: Our bus will leave China Daily at 8:30 am, January 14.
Return: 1 pm.
There is no fee charged for the trip. Everything is free. So enjoy a day in the garden!
Garden location: Between South Third Ring Road and South Fourth Ring Road. After getting to the
Garden, call Li Jin at the following cell phone number.
Contact: Call Li Jin at 64924488 ext 2305 or 13611160678
( )1. Garden of the World's Flowers and Plants will open for foreigners in Beijing next Sunday, January 14.
( )2. The winter in Beijing seems a little bleak and desolate.
( )3. The special trip to the garden will take about two hours and everything is free.
( )4. There is a restaurant in a hothouse in the garden.
( )5. After getting to the Garden, the tourists can call Li Jin at 64924488 ext 2305 for service.
＝15 cm的细线，一端固定在O点，另一端系一个质量m＝3 g、电荷量q＝2×10－6 C的带正电小球，当细线处于水平位置时，小球从静止开始释放，g取10 m/s2.求：
