内容正文:
重难题组集训
题组一
一、完形填空A)】
pass it along to her children.And then her chil-
Bees are regarded as the most dren will not get AFB during their lives.They
hard-working workers in the world,but you get the antibodies against the disease.
might have heard about how bees are facing(
)1.A.quietly
B.simply
1 these days.Yes,and the 2 is be-
C.terribly
D.gradually
coming more and more serious,the number of()2.A.information
B.situation
bees has been reducing quickly.It leaves us
C.suggestion
D.decision
humans a great 3 -protecting bees,be-(
)3.A.challenge
B.energy
cause if bees can't live well,neither can peo-
C.experience
D.treasure
ple.Bees do this amazing thing wherever 4
()4.A.it
B.she
go around,collecting pollen(花粉)from
C.they
D.he
5.They spread pollen from one plant to an-(
)5.A.trees
B.vegetables
other.In the process,the bees make it 6
C.plants
D.fruits
for them to bear fruit.
)6.A.general
B.terrible
As happened in 2017,US beekeepers
C.useful
D.possible
7 40%of their bees because of the micro-
(
)7.A.increased
B.lost
bial disease(微生物疾病),sowe2lst-century
C.kept
D.raised
8 start crazily trying to solve the problem.
(
)8.A.students
B.workers
The most available solution seems to be 9 a
C.humans
D.doctors
way to prevent microbial disease.That's why
(
)9.A.finding out
B.taking out
the bee vaccine(接种疫苗)comes.
C.putting on
D.giving out
Like most of the animals,as well as hu-
()10.A.serious
B.real
题
mans,vaccines work through inspiring the body
C.strict
D.certain
to make antibodies(抗体)against a_l0
组
(
)11.A.comfortable
B.useless
disease.But bees don't make antibodies,scien-
C.valuable
D.suitable
集
tists have thought vaccinating them would be
(
)12.A.because
11,but a 2015 study discovered that bees
B.so
C.until
D.if
ican get the ability of making antibodies through
(
vitellogenin(卵黄蛋白原)in their eggs.
)13.A.give
B.set
Vaccinating a bee wouldn't really help
C.pass
D.build
bee,but 12 you vaccinate the queen of
)14.A.death
B.growth
bees,she can 13 the ability on to her chil-
C.truth
D.bir