增函数且最小值为-2
增函数且最大值为-2
减函数且最小值为-2
减函数且最大值为-2
第1题:
互相垂直
互相平行
相交
相交时,交线垂直于第三平面
第2题:
第3题:
is needed
has needed
are needed
need
第4题:
incidents
events
accidents
affairs
第5题:
thoughtful
grateful
marvelous
considerable
第6题:
around
from
on
near
第7题:
Some manners on visiting British and American people’s home.
Different table manners between British and American people.
Different ideas about the home between British and American people
Different ideas about how to get along well with neighbors between British and American people
第8题:
sense
opinion
use
program
第9题:
will graduate
will have graduated
graduates
is to graduate
第10题:
play outdoors
get the greatest pleasure
learn more about Indonesia
do something for Indonesia
第11题:
help
use
time
way
第12题:
excited
interested
relaxed
bored
第13题:
the more powerful their speech will be
the more meaningful their speech will be
the more easily the audience will understand it
the harder the audience will find it to follow
第14题:
which
that
as
so
第15题:
not be absent
not to absent
not to be absent
not absenting
第16题:
difficult
easy
relaxing
perfect
第17题:
disturbed
worried
distressed
satisfied
第18题:
jumped
played
went
rode
第19题:
grow
develop
increase
raise
第20题:
chair
chicken
China
machine
第21题:
第二象限角
第三象限角
第一或第四象限角
第二或第三象限角
第22题:
had done
does
is to do
is done
第23题:
idea
plan
problem
message
第24题:
to get
for getting
getting
got