以下为课件内提取的文本内容，仅供参考：

Useful expressions

pack sth onto a wagon

leave behind

set off for

choose… as

by day

form a circle

the most trying part

pass through the desert

be hard on

ride the wagon

drag one’s legs

in desperate need of

share sth with sb

be on one’s feet

be accustomed to doing sth

suffer from

be lined with

in anxiety of doing sth

in most cases

get onto one’s knees

Read the text carefully and find out their moving route .

Time

Events

gave him the idea …

1845.10

1846.4.12

Salt Lake Desert

Death Valley

1846.12.25

The account of the wonderful land beyond the Rocky Mountains gave father the idea to move there.

Indian Creek in Kansas was the meeting place for people moving to the east or west.

In the Salt Lake Desert, we could find the patches of grass and water shown on the map but the water proved to be salty and undrinkable.

The situation in the Death Valley was desperate, but in most cases, people helped each other.

I was so week and tired that I got onto my knees and started moving across the sands on all fours.

the land was dry & barren

no one stopped to look or help

Explanation

1. This account of the wonderful land

beyond the Rocky Mountains gave

him the idea to move there.

beyond 作介词时，主要用法有：

(表示位置) 在……的那边；在……

之外。如：

My uncle lives beyond the river.

(2) (表示时间) 过了，比……晚。如：

My father arrived beyond eight o’clock.

(3) (表示范围、限度) 超出；为……所

不及。如：

They live beyond their income.

[高考示例]

I’m sorry it’s ____ my power to

make a final decision on the project.

(上海 2004春)

A. over B. above

C. off D. beyond

D

beyond my power意为“超出了我的权力范围”。

2. ... and the long walk through the sand was hard on the oxen.

此处be hard on意为“够…受，使…难以忍受”。另外，它还可意为“磨得厉害；对…过于严厉，苛刻；紧跟等”。如：

These rough roads are hard on your shoes.

Don’t be too hard on your little son.

When I arrived there, I found that he was hard on me. 　

3.In desperate need of sth.

急需某物

类似的用法:

in a desperate situation

make a desperate attempt

a desperate illness

处于绝境当中

孤注一掷

重病

4.For many weeks we had been accustomed to seeing horses and….

be accustomed to sth./doing sth.

习惯于…

= be used to doing sth.

他习惯早起。

He is accustomed to getting up early in the morning.

5.In anxiety of reaching a place of safety, no one stopped to look for help.

= We were so anxious/eager to get to a place of safety that no one would stop to look for help.

in anxiety of sth/doing sth,急切地想做某事… 在句中做状语. anxiety 在这里是渴望的意思

In anxiety of success, he has overworked himself.

anxiety还可以表示”忧虑,焦虑的意思”

The parents were waiting with anxiety for the doctor to arrive.