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【单选题】
心肌细胞分为快反应细胞和慢反应细胞的主要根据是A.
4期自动除极的速度
B.
动作电位复极化的速度
C.
动作电位时程的长短
D.
0期去极化速度
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【简答题】以下数据结构中，属于非线性数据结构的是（ ）。 A)栈 B)线性表 C)队列 D)二叉树
【单选题】There is clear evidence _____ smoking does harm to our health. [ ]
A.
where
B.
what
C.
which
D.
that
【单选题】In front of our house _______ we used to swim.
A.
a river lies that
B.
does a river lie where
C.
lies a river which
D.
lies a river where
【单选题】— ()? — She's our history teacher.
A.
What's she
B.
Where does the woman work
C.
Who is she
D.
How is the woman
【简答题】翻译课文:Office etiquette is something that helps you to get along with your colleagues even if you are not on friendly terms. It also helps you make sure that you don’t annoy people with bad habits or co...
【单选题】Miss Green didn't tell us ______ in 2002, but now she lives in our school. [ ]
A.
where does she live
B.
where she lives
C.
where did she live
D.
where she lived
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