《Save the Tigers》Animals Are Our Friends PPT
第一部分内容:自主学习 预习新知
Ⅰ. 根据句意及汉语提示写出相应的单词和短语
1. But today that number has ________ __(下降到)a few thousand.
2. The tiger is __ ___ ___ __(在……的顶部)the ____ _____ (食物链).
3. It helps keep the number of other wild animals _________(保持平衡).
4. Some people hunt and ___(杀死)tigers for money.
5. People have ___ _____(砍伐)a lot of trees __ ____(也).
Ⅱ. 将下列句子补充完整
1. “拯救老虎”是一个志愿者的组织。
“Save the tigers”is _ _____ ___volunteers.
2. 在20世纪初期, 野生老虎的数量大约是十万。
__ ___ ________ ___the 20th century, ___ _______ ___tigers in the wild ____ around 100, 000.
3. 老虎是力量和勇气的象征。
Tigers are _______ ___strength and courage.
4. 由于这个原因, 老虎对环境来说很重要。
For this ______, tigers ___ _________ __the environment.
5. 近年来, 老虎已经面临消失的危险。
In recent years, tigers ____ ____ __ ______ __ ____________.
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Save the TigersPPT,第二部分内容:合作探究 考点突破
考点1 the number of……的数量
*At the beginning of the 20th century, the number of tigers in the wild was around 100, 000.
在20世纪初期, 野生老虎的数量大约是十万。
*A number of students like playing computer games.
许多学生喜欢玩电脑游戏。
【妙辨异同】 the number of与a number of的辨析
(1)the number of是固定短语, 意为“……的数量”, 后接可数名词复数, 但中心词是number, 所以谓语动词要用单数。
(2)a number of为量词短语, 意为“许多; 大量”, 相当于a lot of或lots of, 中心词是该短语所修饰的可数名词复数, 所以作主语时, 谓语动词用复数形式。
【即学活用】
①-A number of volunteers______willing to teach in China’s rural areas.
—Yes, the number is getting______.
A. is; bigger and bigger
B. are; bigger and bigger
C. is; more and more
D. are more and more
【解析】选B。考查主谓一致和形容词比较级的用法。a number of. . . 作主语, 谓语动词使用复数形式, 排除A、C; 第二个空表示“数量在变得越来越多”, 故选B。
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