湖南省益阳市赫山区2022-2023学年六年级上学期期末英语试题(无答案,无听力原文及音频)

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名称 湖南省益阳市赫山区2022-2023学年六年级上学期期末英语试题(无答案,无听力原文及音频)
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科目 英语
更新时间 2023-02-23 20:01:05

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()48.Then,the people were very
and didn't trust him again.
A.angry
B.happy
C.excited
(49.A few days later,a wolfreally came and ate
A.villagers
B.the boy
C.all his sheep
(50.The story tells us that people shouldn't
A.talk freely
B.tell lies
C.speak English
V.附加题:阅读短文,判断正误(√/×)。(共5小题,计10分)(本大题不计入总分)
Birth of a vaccine(疫苗诞生记)
How to make a vaccine
l.Isolating the virus strain(分类病毒株).
First,scientists need to take some virus strains out of patients'bodies.
2.Making a vaccine.Scientists use a few special ways to weaken (the
virus strain.
3.Animal test(实验).To make sure the vaccine is safe(安全)for people,
scientists first give it to animals.If the animals are well,scientists will go
on to the next step(下一步).
4.Clinical test(临床实g验).Scientists give the vaccine to about20 patients,then
to even more patients if they feel better.If they all feel better,the vaccine
will be safe for most people to take.
How long From making the vaccine in a lab to giving most people the vaccine,
this process usually takes a few years.
How do vaccines protect people
When a vaccine goes into our body,.our immune system(免疫系统)thinks it is
an enemy ()The immune system practices fighting this enemy.It
becomes stronger and stronger.When the real enemy comes,the immune
system can beat it and protect us.
(51.Making a vaccine needs four steps.
(52.In clinical test,scientists give the vaccine to about 20 animals.
(53.It usually takes a few months to give most people the vaccine.
(54.When a vaccine goes into our body,our immune system becomes
weaker and weaker.
()55.Vaccines can protect people without the immune system.
六年级英语检测卷第4页(共4页)
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