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【多选题】
下列对细粒棘球绦虫描述正确的是（ ）A.
成虫寄生在犬科动物小肠内
B.
幼虫多寄生于人和多种食草动物的组织器官内
C.
成虫除头颈部之外，幼节、和孕节各只有一节
D.
棘球蚴为圆形囊状体，大小因寄生时间长短、寄生部位的宿主不同而异
E.
对机体主要引起棘球蚴病
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【单选题】How you look at things in life_______a great influence on your mood.
A.
to have
B.
has
C.
have
D.
having
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A.
that
B.
what
C.
which
D.
how
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A.
might
B.
must
C.
should
D.
can
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