内容正文:
Unit 3 Inventors and inventions
SectionⅡ Learning about Language
*
*
*
语
言
基
础
自
测
*
patent
merciful
abruptly
*
*
products
merry
expectation
directory
convenient
*
*
caution
distinguish
*
*
distinguish
merciful
stainless
*
*
caution
convenient
*
*
*
*
up
and
about
from
for
*
*
with
of
on
*
*
With caution
call
up
now and then
distinguish
from
get rid of
*
*
There seems to be
*
*
can you join the army
Only after
*
*
so cold
yesterday that
*
*
nor is Mary
*
*
*
核
心
要
点
探
究
*
*
*
*
*
off
on
*
*
up
*
*
*
*
*
*
himself
*
*
distinguished
*
*
*
*
*
*
*
*
doing
aside
*
*
*
*
*
*
*
*
convenience
to leave
*
*
at
*
*
*
*
*
*
*
*
cautious
cautiously
to handle
*
*
*
*
*
*
beyond
to
to take
*
*
*
*
on/upon
by
*
*
*
*
*
*
*
*
being
stands
*
*
*
*
*
*
was
*
*
*
*
*
*
*
*
*
*
*
随
堂
效
果
落
实
*
cautious
from
expectation
convenient
*
*
to be
up
upon
did
about
and
*
*
There seemed to be a river
teaches us to
distinguish between right and wrong
*
*
can you get good grades
If it is convenient for you
called up memories of my old friend
*
*
点击右图进入…
*
课
时
分
层
作
业
*
Thank you for watching !
*
*
$