allegation大学英语四级阅读选词填空模拟题及答案解析

2021年1月21日发(作者：vomit)
第一篇

Climate change has claimed its latest victim
：
Limacina helicina
，
a planktonic
，
predatory(
捕食的
)sea snail that’s a member of the taxonomic group more(36)__________
known as sea butterflies
．
(The name is(37)__________ from the wing-like lobes(
叶瓣
)the tiny
creatures use to get around
．
)In a study(38)__________ published in joumal Proceedings of
the Royal Society B
，
a group of scientists from the National Oceanic and Atmospheric
Administration (NOAA)and Oregon State University have fo
und that the Pacific Ocean’s
decreasing pH
—
its acidifying(
酸化
)
，
in other words-is dissolving L
．
helicina’s thin shells
．



The researchers collected sea butterfly(39)__________ from 13 sites along the Pacific
coast(between Washington and southern California
，
going over each with a scanning
electron microscope
．
More than half of the shells(53
％
)from onshore
individuals(40)__________ signs of
“severe dissolution damage
，
”while 24
％
of(41)
__________ individuals suffered dissolution damage
．
The study’s(42)__________
investigator, Dr. Nina Bednarsek of NOAA
，
described the affected L
．
helicina shells as
having a texture not unlike
“cauliflower”
or
“sandpaper
．
”



According to the paper
，
there was a
“strong positive(43)__________ ”between the
proportion of sea butterflies with severe shell dissolution damage and
“the percentage of

undersaturated(
未达到饱和的
)water
”

near the ocean’s surface
．
The researchers conclude
“shell dissolution owing to(human
．
caused ocean(44)_________has doubled in near shore
habitats since pre
．
industrial conditions across this region and is on track to triple by
2050
，
”a truly(45)__________ prediction
．
Moreover, the broader implications for ecosystem
are unclear, as damaged shells make it harder for L
．
helicina to fight infections
，
stay
buoyant
，
and protect themselves from predators
．

A. showed
B. recently
C. protected
D. commonly
E. derived
F. samples
G. offshore
H. principal

I. noticed
J. correlation
K. encouraging
L. seaward
M. acidification
N. grim
O. pollution





词性归类




答案解析













第二篇


The social network will let users
“
mute
”
messages from other users on their timelines
without the muted person
’
s knowledge
，
thereby avoiding the(36)__________
process of having to unfollow(
取消关注
)
，
or put up with
，
your(37)__________talkative IRL
friends
．
Twitter rolled out new(38)__________to let users better manage the deluge(
泛滥
)of
tweets they receive
．



Users can now
“
mute
”
people they follow, removing those people
’
s tweets and retweets
from
their
own
timelines
．
The
muted
person
won
’
t
know
that
he
or
she
has
been(39)__________
．
It
’
s
a
stealthy
way
to
read
less
content
from
certain
users
without
having to unfollow them
．
A person can easily be muted or(40)__________at
any time
，
Twitter said in a blog post
．



“
Mute gives you even more(41)__________over the content you see on Twitter by letting
you remove a user
’
s content from key parts of your Twitter experience
，
”
the company said
．

Though Twitter had been experimenting with the feature in recent weeks
，
it announced that
muting will be(42)__________to all users of the company
’
s iOS and Android apps
，
as well as


the Twitter
．
com website
．
Some other Twitter applications
，
like TweetDeck
，
already allowed
muting
．



The
feature
is
part
of
Twitter
’
s(43)__________strategy
to
make
its
service
more
accessible to a wider range of people
．
Following a successful initial public offerin9
，
Twitter
’
s
stock
has
tumbled
in
recent
months
as
investors
worry
about
the
social
network
’
s(44)__________to attract new users
．
CEO Dick Costolo(45)__________that Twitter would
make
changes
to
its
interface
this year
to
make
it
easier
to
understand and
manage
．
The
company overhauled(
彻底检修
)user profile pages in April as part of this effort
．


A. silenced
I. overall
B. awkward
J. vowed
C. unmvted
K. generally
D. feature
L. ability
E. embarrassment
M. accepted
F. unfollowed
N. available
G
.. control
O. characters

H. extremely











词性归类



答案解析




















第三篇

The poll of 2,000 adults in England was(36)__________out as part of the government’s
drive to curb people’s drinking habits
．



The campaign also stresses that a heavy drinking session is often(37)__________by an
unhealthy breakfast
，
which again helps to pile on the pounds
．



The Know Your Limits campaign has in the past focused on other(38)__________0f
drinking
，
such as disease risk
．

But to(39)__________with the focus on weight
，
the Depa Ihiient of Health carried out
research showing a regular beer drinker, who downed(
喝
)five pints a week or 250 over
the(40)__________of a year, packed away the same number of calories as someone eating 22
1 doughnuts over the space of 12 months
．



It also revealed the average wine drinker consumed 2,000 calories each month
．
over the
course of a year, that is the(41)__________of eating all extra 38 roast beef dinners
．



Health minister Phil Hope said
，
“Regularly drinking more than
our(42)__________daily limits can have a knock-on effect on our health
，
including an
expanding waistline
．



“It’s not only the calories in the drinks themselves that can help to pile on the
pounds
，
we’re also more(43)__________to eat fatty foods when we’ve had one too many
．
”



Heather Caswell
，
of the British Nutrition Foundation
，
added
，
“Most people would
baulk(
犹豫
)at consuming a full glass of single cream
，
but wouldn’
t
mind(44)__________about a couple of pints
．
”



“But the calorie content is similar and
，
over time
，
excess alcohol intake is likely to lead
to weight gain
．
”



And a spokesman for the Drink aware Trust added
：
“It’s(45)__________we are in the
know when it comes to what we are drinking
．
”

A. consequences
B. carried
C. communicate
．

D. followed
E. equivalent
F. held
G. twice
H. likely



I. coincide
J. necessity
K. course
L. related
M. imperative
N. over
0. recommended