我要过六级之考试词汇每天练第二天
练习：
3.The little boy is very ambitious; he's filled with ____ for knowledge.
a. aspiration
b. inspiration
c. respiration
d. expiration
4. I can't remember anything; my memory is like a ____ .
a. filter
b. net
c. sieve
d. web
答案及讲解：
3. a
aspiration
n.
热望, 渴望
inspiration
n.
灵感
respiration
n.
呼吸, 呼吸作用
expiration
n.
终止；截止 （亦作： expiry）
4. c
filter
n.
滤波器, 过滤器, 滤光器, 筛选
net
n.
网, 网络, 网状物
sieve
n.
筛, 滤网
web
n.
网, 蛛丝, 蹼, 翼手, 织物, 圈套