A and B as well
18 distant adj. far away in space or time 远的，遥远的
19 distance n. in the distance
from the distance
at a distance
keep sb. a distance
20 scale n. 1) balance for weighing磅秤
2) relative size, extent, scope规模，程度
on a large / small scale大/小规模
on the scale of … to…按…的比例
to a scale按一定比例
to a scale of … to…按…的比例
21 appeal to 1）恳求，恳请
I am appealing on behalf of the refugees.我代表那些难民提出恳求
He appeal to us for help.他恳求我们的帮助
2）诉诸，诉之于
Appeal to the law / a higher court
3）事物引起（人的）兴趣，有吸引力，投入所为
Does the film appeal to you?
n. make an appeal to 吸引, 诉之于
Sentence structures
1. It was not until the eighteenth and nineteenth centuries that the exploration of the botanical world began on a large scale.
2. Not only did Fortune introduce over 120 species of plants to western gardens but he also shipped 20000 tea plants from…
Period Four
Aim:
To make students understand the text
Flowers and their animal pollinators
Contents:
I. Questions:
1) What is the text about?
2) What do the pictures show you?
3) What is the chart about?
4) What is the advantage for animal of visiting flowers?
5) Who do some plants need animals?
6) How does an animal pollinate a flower?
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