北师大版（2019）选择性必修一专练：Unit3 Conservation Lesson 1 The Sixth Extinction（含答案）

Unit
3
Conservation
3.2
Lesson
1
Ⅰ.
根据语境写出正确的单词
1.
extinct
_____________　　　　灭绝的物种
2.
_____________
performances
不同寻常的表现
3.
a
_____________
enterprise
一个大规模的企业
4.
_____________
flowers
各种各样的花
5.
on
the
_____________
在减少
6.
to
_____________
others
责备别人
7.
to
_____________
the
result
影响结果
8.
_____________
wild
animals
濒危的野生动物
9.
the
_____________
system
太阳系
10.
to
_____________
chickens
孵化小鸡
11.
to
_____________
balance
恢复平衡
Ⅱ.
根据汉语意思补全下列短语
1.
_____________
out
灭绝
2.
_____________
out
彻底毁灭
3.
be
to
_____________
把……归咎于
4.
_____________
to
因为,
由于
5.
_____________
to
多达,
高达
6.
be
at
_____________
处境危险,
受到威胁
7.
take
_____________
采取措施
8.
in
_____________
简言之
9.
_____________
to
幸亏,
多亏了
10.
_____________
as
例如,
诸如
Ⅲ.
根据课文补全下列句式
1.
These
include
the
third
mass
extinction,
_____________________
(众所周知为“大灭亡”).
?
2.
This
time,
human
activity
_____________________
(将负责任).
?
3.
_____________________
(尽管物种自然灭绝并非不同寻常),
the
rate
at
which
this
is
now
happening
is
cause
for
concern.
?
IV.课文内容填空
Extinctions
are
not
(1)__________
in
our
Earth’s
(2)__________.
In
reality,
there
have
been
five
times
when
life
on
Earth
has
almost
(3)__________.
Many
(4)__________
say
we
are
now
faced
with
the
Earth’s
sixth
mass
(5)__________,
which
is
caused
mainly
by
human
(6)__________.
Meanwhile,
if
we
take
measures
to
protect
the
planet
we
live
on,
it
is
not
yet
too
late
to
(7)__________
a
sixth
extinction.
参考答案
Ⅰ.
1.
extinct
species　　　　灭绝的物种
2.
unusual
performances
不同寻常的表现
3.
a
mass
enterprise
一个大规模的企业
4.
varied
flowers
各种各样的花
5.
on
the
decrease
在减少
6.
to
blame
others
责备别人
7.
to
affect
the
result
影响结果
8.
endangered
wild
animals
濒危的野生动物
9.
the
solar
system
太阳系
10.
to
hatch
chickens
孵化小鸡
11.
to
restore
balance
恢复平衡
Ⅱ.
1.
die
out
灭绝
2.
wipe
out
彻底毁灭
3.
be
to
blame
把……归咎于
4.
due
to
因为,
由于
5.
up
to
多达,
高达
6.
be
at
risk
处境危险,
受到威胁
7.
take
action/steps
采取措施
8.
in
short
简言之
9.
thanks
to
幸亏,
多亏了
10.
such
as
例如,
诸如
Ⅲ.
1.
These
include
the
third
mass
extinction,
known
as
the
“Great
Dying”
(众所周知为“大灭亡”).
?
2.
This
time,
human
activity
will
be
to
blame
(将负责任).
?
3.
Although
it
is
not
unusual
for
species
to
die
out
naturally
(尽管物种自然灭绝并非不同寻常),
the
rate
at
which
this
is
now
happening
is
cause
for
concern.
?
IV.
Extinctions
are
not
(1)unusual
in
our
Earth’s
(2)history.
In
reality,
there
have
been
five
times
when
life
on
Earth
has
almost
(3)ended.
Many
(4)scientists
say
we
are
now
faced
with
the
Earth’s
sixth
mass
(5)extinction,
which
is
caused
mainly
by
human
(6)activities.
Meanwhile,
if
we
take
measures
to
protect
the
planet
we
live
on,
it
is
not
yet
too
late
to
(7)avoid
a
sixth
extinction.