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【单选题】
腰椎穿刺抽取脑脊液时,穿刺针通过的结构包括A.
5
B.
皮肤→皮下组织→棘间韧带→黄韧带
C.
皮肤→皮下组织→棘上韧带→棘间韧带→黄韧带→硬脊膜外隙
D.
皮肤→皮下组织→棘上韧带→棘间韧带→黄韧带→硬脊膜外隙→硬脊膜→蛛网膜→蛛网膜下隙
E.
皮肤→皮下组织→横突间韧带→黄韧带→硬脊膜→蛛网膜→软脊膜
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举一反三
【单选题】The thing you wash your hair with must be_____
A.
used with care
B.
very strong
C.
extremely mild
D.
fashionable
【单选题】You ______ wash your hands before meals. It is good for your health.
A.
may
B.
can
C.
must
【单选题】You must wash your hands when preparing food to______passing on disease to your family.
A.
worry about
B.
protect against
C.
pay attention to
D.
guard against
【单选题】The thing you wash your hair with must be________． 查看材料
A.
used with care
B.
very strong
C.
extremely mild
D.
fashionable
【单选题】“You can have some cakes, ______ you must wash your hands first.” Mum says.
A.
and
B.
or
C.
but
D.
so
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