二单元two

本文指导您如何根据个人喜好和需求选择酒店,包括位置、设施、价格和餐饮偏好,最终在Pike Place Market周边找到合适的住宿地点。
 

住旅馆


  • 学习目标
    在本次课程中,您将学习在下述情景中的用语:
     
  • 理解人们的旅行偏好
  • 理解对酒店的一般描述
  • 预订酒店
  • cancould 礼貌地提出请求
  • 交流事件发生的日期
  • 描述酒店里什么对你最重要

Noun

Verb

Expression

Preposition

Adjective

bellman
check-in
check-out
choice
double room
elevator
gym
hairdryer
hot tub
hotel
key
lobby
luggage
price
reservation
room
sauna
service
single room
stay
swimming pool
view
wake-up call

cost
meet
offer
relax
reserve
spend
stay
think
wake up

That sounds good.
A double/single room, please.
Can I have (your name), please?
Could I have (the newspaper), please?
Could you (call us a taxi), please?
Do you have a room for (three) nights from (June 14) to (June 17)?
How much does it cost per night?
I'd like to reserve a room.
I'll take it.
I need a credit card number to reserve the room.
What's your credit card number?
What time is check in/check out?
Would you like a double room or a single room?

around
per

comfortable
cool
expensive
friendly
helpful
important

Stephanie: So, Jenny, which neighborhood would you like tostay in?
Jenny: Pike Place Market is in a verycool neighborhood. Let's stay there.
 
Stephanie: That sounds good. What kind ofhotel would you like tostay in?
Jenny: I'd like to stay in ahotel with asauna and a hot tub. They help merelax.
Stephanie: My firstchoice is a hotel with aswimming pool. A sauna and a hot tub aren't that important to me.
 
Stephanie: How much money would you like tospend on aroom?
Jenny: I'd like to spendaround $250. Whatprice do you think is good?
Stephanie: That's a littleexpensive for me. I thinkaround $180 is good.
 
Jenny: OK. Would you like to stay at a bed-and-breakfast? I usuallywake up at 7 a.m. and enjoy having breakfast before I go out.
Stephanie: My firstchoice is a hotel. Breakfast isn't thatimportant to me.
Jenny: OK. Let's see what kind ofhotels there are in the neighborhood and then we can make areservation.

Alexis Hotel
1007 First Avenue at Madison

  We offer a gym with a sauna. Enjoy our morning coffee. Relax in a large, comfortable double room. The rooms all have a hairdryer, fax machine, and computer and cost $225 per night. We are near Pike Place Market.

Bed & Breakfast at the Market
76 Pine Street

  There are great views of Puget Sound and the Olympic Mountains. We offer a full breakfast. We are near a swimming pool, shops, and restaurants. Enjoy the Pike Place Market neighborhood.

Reserve a room for $250.

Pacific Hotel
1425 Sixth Avenue

  Relax in our swimming pool, sauna, and hot tub. Enjoy our garden views. Walk to Harbor Steps Park, the Seattle Art Museum, and Pike Place Market. Enjoy our delicious breakfast. Spend only $150 for a room per night.

在MATLAB中,绘制同相馈电单元Two-Element Array)的方向图通常涉及到天线阵列理论和电磁场模拟。这里是一个简化的步骤来创建这样一个方向图: 1. **导入必要的库**: 首先,确保已经安装了`Antenna Toolbox`,如果尚未安装,可以使用`doc`命令查看是否已包含此功能,如果没有,则需要安装。 ```matlab if ~exist('antenna') error('The Antenna Toolbox is required for this operation.'); end ``` 2. **定义天线单元**: 选择一个基本的天线元素,比如Hertzian Dipole或者矩形天线,然后创建两个相同的天线单元作为阵列的一部分。 ```matlab element = dipole; % 或其他天线类型 array_elements = [element; element]; % 同相馈电,两个单元沿x轴放置 ``` 3. **定义阵列参数**: 确定阵列间距(通常是λ/2),以及需要评估的角度范围和步长。 ```matlab d = lambda/2; % λ/2之间的间隔,其中lambda是波长 theta = linspace(-90, 90, 180); % 观察角度范围 ``` 4. **计算方向图**: 使用`pattern`函数,指定阵列结构和观察角度,得到辐射图案。 ```matlab pattern(array_elements, theta, 'PropagationSpeed', physconst('LightSpeed'), 'Type', 'powerdb', 'Normalize', 'none'); ``` 这里的`PropagationSpeed`设置为光速,`Type`设定为功率密度(dB单位),`Normalize`设为`none`表示不归一化,以便直接看到各个方向的相对强度。 5. **美化图形**: 可能还需要添加坐标轴标签、标题以及网格线等,可以使用`xlabel`, `ylabel`, `title`, 和`grid on`等功能。 ```matlab xlabel('Azimuth (degrees)'); ylabel('Elevation (degrees)'); title('Directional Pattern of a Two-Element Array'); grid on; ```
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