问题 选择题

如图,蹲在树枝上的一只松鼠看到一个猎人正在用枪水平瞄准它,就在子弹出枪口时,开始逃跑,松鼠可能的逃跑方式有:①自由落下;②竖直上跳;③迎着枪口,沿AB方向水平跳离树枝;④背着枪口,沿AC方向水平跳离树枝。在这四种逃跑方式中,松鼠不能逃脱厄运而被击中的是(设树枝足够高)(    )

A.①②③

B.②③④

C.①③④

D.①②④

答案

答案:C

题目分析:射出的子弹做平抛运动,根据平抛运动的特点,竖直方向做自由落体运动,所以无论松鼠以自由落下、迎着枪口,沿AB方向水平跳离树枝还是背着枪口,沿AC方向水平跳离树枝,竖直方向运动情况完全相同,一定被打中,不能逃脱厄运而被击中的是①③④,C正确。

选择题
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HOTEL INFORMATION

Baymont Inn Ft. Lauderdale

3800 W. Commercial, Ft. Lauderdale. FL 33309. Lowest Prices 110% Guaranteed

Room Information:

Rooms are equipped with Double, Queen, or King bed(s), smoking or non-smoking based on location and availability. Provided in each spacious guest room is a hair dryer, coffee maker, iron, ironing board, 25’ TV and guest voice mail.

Check-in Time: 7:00 P. M.

Hotel Amenities: Air Conditioned, Free Parking, 24 Hour Front Desk, Pool, Television with Cable, Coffee Maker in Room, Hairdryers Available.

Beach Plaza Hotel

625 N. Fort Lauderdale Beach Blvd, Ft. Lauderdale, FL 33304

Room Information

The oceanfront accommodations at Beach Plaza Hotel are some of the most affordable on Fort Lauderdale Beach. Each room features direct-dial telephone, cable television and daily maid service. The very affordable efficiency studios even include full kitchens! All rooms surround the private poolside garden courtyard.

Check-in Time: 7:05 P. M.

Hotel Amenities: Air Conditioned, Coffee Maker in Room, 24 Hour Front Desk, Parking, Hairdryers Available, Pool, Television with Cable.

Fort Lauderdale Plaza Hotel

3711 N. Ocean Blvd, Ft. Lauderdale, FL 33308

Room Information

Guest rooms feature TVs, in-room movies, Internet access, in-room safes, alarm clock radios, hairdryers, refrigerators, microwaves, and balconies.

Check-in Time: 7:00 A.M.

Hotel Amenities: Parking,Heated Pool, Television with Cable, and Coffee Maker in Room.

小题1:Which hotel gives a promise?

A.Baymont Inn Ft. Lauderdale.

B.Beach Plaza Hotel.

C.Baymont Inn Hotel.

D.Fort Lauderdale Plaza Hotel.小题2:In which hotel parking is the cheapest?          

A.Baymont Inn Ft. Lauderdale.

B.Beach Plaza Hotel.

C.Baymont Inn Hotel.

D.Fort Lauderdale Plaza Hotel.小题3:If you ______ , you will probably go to Beach Plaza Hotel. 

A.enjoy seeing films without leaving your hotel room

B.are fond of swimming in heated water

C.want to eat food cooked by yourself in the hotel

D.are a cigarette smoker小题4:Which of the following is NOT true to the ads?           

A.All of the three hotels provide television with cable.

B.You can keep your money in the room safe in Fort Lauderdale Plaza Hotel.

C.In Beach Plaza Hotel a 24-hour maid is available.

D.While staying in Fort Lauderdale Plaza Hotel, you can surf the Internet