皮皮学，免费搜题
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搜题
【单选题】
心血管系统各段管壁共有的成分是A.
内皮
B.
内弹性膜
C.
外弹性膜
D.
平滑肌
E.
间皮
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】It's so noisy. I'd really appreciate ______ if you'd turn the radio down. [ ]
A.
that
B.
it
C.
this
D.
which
【单选题】— Could you tum down your radio, please?It's too noisy. — __________. — I asked you to tum down your radio a little. [ ]
A.
I beg your pardon?
B.
I'm soorry.
C.
Do you want a go?
D.
Yes,of course
【单选题】His new neighborhood _ very quiet, but now it's very noisy. [ ]
A.
was used to be
B.
used to
C.
is used to
D.
used to be
【单选题】— I didn't hear you come in last night. — That's good. We tried ______ noisy. [ ]
A.
not be
B.
not to be
C.
to be
D.
to be not
【简答题】'a'-32 的运算结果为___。
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