1． 关怀；关心（不可数）

Some people don't show much concern for our environment. 有些人不太关心我们的环境。

3．担心；担忧

She showed great concern about you.

她很为你担心。

7. range

range v.排列, 使成行；偏袒，站在...的方面。

n. ：范围(尤指从...到...各种种类,可供选择的范围等，可加不定冠词) ；排列

beyond the range of... 超越......的范围

out of one's range 某人达不到的

这家商店商品品种多。

The shop keeps a wide range of goods.

v.排列, 使成行；偏袒，站在......的方面。

主要搭配为：+名词/代词；+介词+名词/代词；

常可用于: 1. 被动结构

2. range oneself；

3. range from... to ... / between...and ... 从......到......不等。

老师令其学生沿着小径排队。

The teacher _________________ along the path.

温度在15度到35度之间。

The temperature __________________________ . 我们应当列身于法律与秩序的一边。

We should __________________ on the side of law and order.

Keys：ranged his students；ranges from 15 to 35 degrees；range ourselves

8. build up

逐步建立，增加，增进

build up one's fortune

build up one's strength

build up the business

This built up my hope after the interview.

Sediment (沉淀物)builds up on the ocean floor.

Keys：累积财富；；养精蓄锐；develop 扩大, 发展； 增加, 支持, 树立；collect 累积, 收集

9. Some byproducts of this process are called "greenhouse" gases, the most important one being carbon dioxide.

the most important one being carbon dioxide 是一个独立主格结构，由名词+分词构成，在句中做补充说明或伴随的状况。

________________(时间允许的话)，I will show you around the city.

_________________(今天是星期天)，I don't have to go to work.

___________________________(没有人要说的话)，the meeting was closed.

Keys：Time permitting；Today being Sunday；Nobody having any more to say

10．Without the 'green house effect'，the earth would be about thirty-three degrees Celsius cooler than it is.

这是一个含蓄虚拟条件句有时假设的情况并不以条件从句形式表示出来，而是通过一个介词短语或其他方式表示。常用的词或短语有：without, but for，but that，otherwise，or，but等。

Without your help ( = If we had not had your help)，we could not have succeeded．