L4-U1-P2-1 Listening : A Trip to Yosemite Park 1約塞米蒂公園之旅
Today, Christina and her friend are enjoying themselves. 今天，克里斯蒂娜和她的朋友玩得很開心。
This morning they got up very early and drove out of San Francisco. 今天早上，他們起得很早，開車離開了舊金山。
They crossed the Bay Bridge before the early morning commute and drovesouth. 他們在清晨上班前穿過海灣大橋，開車南下。
Because it was so early, there were almost no cars. 因為時間很早，幾乎沒有車。
After driving for an hour and a half, they stopped and had breakfast. 開車一個半小時后，他們停下來吃早飯。
They ordered pancakes and coffee. 他們點了煎餅和咖啡。
They also had some fresh fruit.他們還吃了一些新鮮的水果。
When they finished eating, it was 7 o’clock. 當(dāng)他們吃完的時候，已經(jīng)7點了。
Then they got back into the car and drove south. 然后他們上了車，向南開去。
Christina wanted to listen to music, so they turned on the radio. 克里斯蒂娜想聽音樂，所以他們打開了收音機。
An hour later they stopped for gas. 一小時后，他們停下來加油。
They noticed that there was also a charging station for electric cars. 他們注意到那里還有一個電動汽車充電站。
It’s now 1:15 and they are in Yosemite Park. 現(xiàn)在是1:15，他們在約塞米蒂公園。
They have been there for two hours, since 11:15. 從11點15分開始，他們已經(jīng)在那里待了兩個小時了。
They are looking at Yosemite Falls, which is the highest waterfall in the park. 他們正在看約塞米蒂瀑布，這是公園里最高的瀑布。
The water drops a total of 740 meters from the top of the upper fall to
the base of the lower fall. 從上瀑布的頂部到下瀑布的底部，水總共下降了740米。
L4-U1-P2-2 Listening: A Trip?to Yosemite Park 2
In another 15 minutes, they plan to eat lunch at a magnificent old hotel in the park. 15分鐘后，他們計劃在公園里的一個宏偉的老酒店吃午餐。
It was built in 1927 and has a great view. 它建于1927年，風(fēng)景很好。
They wanted to stay there, but they couldn’t get reservations. 他們想待在那里，但沒能訂到位子。
To get a room at that hotel you usually need to make reservations several months in advance. 要在那家旅館訂房間，你通常需要提前幾個月預(yù)訂。
They play to stay in the park until around 4 o’clock. 他們在公園里玩到四點鐘左右。
By then they will have been in the park for nearly 5 hours. 到那時他們已經(jīng)在公園里呆了將近5個小時了。
Then they’ll get back into the car and drive back to San Francisco. 然后他們會回到車里，開回舊金山。
They plan to eat dinner somewhere along the way. 他們計劃在沿途的某個地方吃晚餐。
If the traffic isn’t too bad, they should be back in San Francisco by 10 o’clock. 果交通不太糟的話，他們十點鐘應(yīng)該能回到舊金山。
Early tomorrow morning they are going to cross the Golden Gate Bridge and go north along the coast. 明天一早，他們將穿過金門大橋，沿著海岸向北走。
From some places, you can look out on the ocean and see whales and other sea life. 在一些地方，你可以眺望大海，看到鯨魚和其他海洋生物。
Christina has never seen a whale before, so she’s looking forward to it. 克里斯蒂娜從沒見過鯨魚，所以她很期待。
And tomorrow night they have something special planned. 明晚他們有特別的安排。
They are going to watch a baseball game. 他們要去看棒球比賽。
Christina has never seen a baseball game, but she has heard that it is very popular in the US. 克里斯蒂娜從未看過棒球比賽，但她聽說棒球在美國很受歡迎。
And the San Francisco baseball team is one of the best. 舊金山棒球隊是最好的球隊之一。
L4-U1-P2-3 Vocabulary: Science科學(xué)
A force is a push or a pull on an object. 力是對物體的推力或拉力。
A force changes the motion of a moving object. 力改變運動物體的運動。
A force can be strong or weak, and it always has a direction. 力可以強也可以弱，它總是有方向的。
The Earth is a planet that goes around the sun in a circular orbit. 地球是一顆以圓形軌道圍繞太陽運轉(zhuǎn)的行星。
The Earth has a layer of gas above its surface, which helps to support life. 地球表面有一層氣體，幫助維持生命。
Atoms are the building blocks of matter. 原子是物質(zhì)的基本組成部分。
At the center of an atom is its nucleus, which has a positive electric charge. 原子的中心是原子核，它帶一個正電荷。
Outside the nucleus are electrons, which have a negative charge. 原子核外是帶負電荷的電子。
Asteroids and comets are objects that orbit our Sun but are smaller than planets. 小行星和彗星是繞太陽運行但比行星要小的物體。
Asteroids that pass close to the Earth are called near-earth objects. 靠近地球的小行星被稱為近地天體。
The layer of gases just above Earth’s surface is our atmosphere. 地球表面上方的氣體層是我們的大氣層。
The atmosphere is made up of gases such as oxygen and nitrogen. 大氣是由氧、氮等氣體組成的。
Without an atmosphere, there would be no life on Earth. 沒有大氣層，地球上就不會有生命。
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?L4-U1-P2-4 Vocabulary: Geometry幾何
The two lines on the left intersect each other at a right angle, which is 90degrees. 左邊的兩條線相交成直角，即90度。
The 2 lines on the right are parallel, which means they never cross. 右邊的兩條線是平行的，這意味著它們不會相交。
The adjacent sides of a rectangle are perpendicular, which means they meet at a 90-degree angle. 矩形的鄰邊是垂直的，這意味著它們相交成90度角。
The opposite sides of a rectangle are equal and parallel, which means they never cross. 矩形的對邊是相等平行的，這意味著它們永不相交。
The area of a rectangle is the length times the width. 矩形的面積是長乘以寬。
A circle is a 2-dimensional figure with a radius and a circumference, which is the distance around the circle. 圓是一個有半徑和周長的二維圖形，周長是繞圓的距離。
The area of a circle is pi r squared, where r is the radius and pi is the ratio of a circle’s circumference to its diameter. 圓的面積是r的平方，其中r是半徑，pi是圓的周長與直徑之比。
A sphere is a three dimensional figure with a radius and a volume, which is 4/3 pi r cubed. 球是一個有半徑和體積的三維物體，它是4/3 r的立方。
All points on the surface of a sphere are equidistant from its center. 球面上所有點到圓心的距離都是相等的。
A right triangle is a 2-dimensional figure with 4 sides, 2 of which are perpendicular. 直角三角形是一個二維圖形，有三條邊，其中兩條是垂直的。
To find its area, multiply the lengths of the 2 perpendicular sides, a and b, and divide by 2. A = 1/2 ab. 求出它的面積，將兩條垂直邊a和b的長度相乘，然后除以2。A = 1/ 2ab。
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L4-U1-P2-5 Dialogue: Dinner Conversation晚餐談話
M: Have you finished eating yet? 你吃完了嗎?
F: No, I haven’t. 沒有Why are you in such a hurry? 你為什么這么著急?
M: I’m sorry, but you are such a slow eater. 對不起，你吃得太慢了。
F: A slow eater??吃得慢的人？Well I try to enjoy my food. 我試著享受我的食物。
You just eat and swallow. 你只是吃和吞咽。
I don’t see how you can even taste it. 我不知道你怎么能品嘗它。
M: Ok, I’m sorry. 好吧,我很抱歉。
Do you mind if I get another glass of wine? 你介意我再來一杯酒嗎?
F: No, go ahead. 不,請便。
I don’t want you to sit there putting pressure on me. 我不想你坐在那里給我施加壓力。
I thought we were going to have a relaxing evening. 我以為我們會度過一個輕松的夜晚。
M: Yes, you are right. 是的，你說得對。
I’d like to relax, but I have a lot on my mind. 我很想放松一下，但是我腦子里有很多事。
F: Work related? 與工作有關(guān)？
M: Yes, it is.是的
I’ve been getting some strange emails from my boss. 我老板給我發(fā)了一些奇怪的郵件。
He wants me to cut down on my expenses. 他要我削減開支。
Maybe he wants to fire me.也許他想炒了我。
F: Is business bad? 是生意不好嗎?
M: Yes, it is. But I don’t want to talk about it. 是的，但我不想談這個。
F: Ok, but I’m a good listener. 好吧，但我是個很好的傾聽者。
You can tell me if you’d like to. 你愿意的話可以告訴我。
M: Thanks, maybe some other time. 謝謝，也許改天吧。
I’ll try to stop thinking about it and deal with it tomorrow. 我盡量不去想它，明天再處理。
F: Good idea.好主意
You need to take a break from work. 你需要停下工作休息一下。
Your health is important and so am I. 你的健康很重要，我也很重要。
Yes you are.是的。
I don’t know what I would do without you.我不知道沒有你我該怎么辦。
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