九年级(下)Unit 5
重难点精讲
考点1 辨析a number of与the number of
a number of 意为“许多;大量的”,相当于many, 后接复数名词,它的中心词是后面的名词。当它作主语时,谓语动词要用复数形式。如:
The number of the students in our school is over 800. 我们学校学生人数超过了800。
the number of意为“什么的数量”,后接可数名词复数,它的中心词是number。当它作主语时,谓语动词也必须用单数形式。如:
A number of people go into the park every day. 每天许多人进入这个公园。
考点2 辨析be known as, be known for 与 be known to
be known as “作为什么而著称”,后跟表示职务、身份等词。如:
Yao Ming is known as a basketball player. 姚明作为一名篮球运动员而出名。
be known for “因为什么而出名”,后跟表示特征、性质的词。如:
Anhui is known for Mount Huang. 安徽因黄山而出名。
be known to “为什么所熟知”,后跟表示人的名词。如:
The boy is known to all the teachers. 这个小男孩为所有的老师所熟知。
注意:在这三个词组中,known 都可以被famous 代替。