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【单选题】
钠泵的作用是A.
只将Na+转运到细胞内
B.
只将Na+转运到细胞外
C.
使Na+内流K+外流
D.
使K+内流Na+外流
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举一反三
【单选题】What does "refuge" mean in the sentence " This was Jo ’s favorite refuge" in the second passage?
A.
where Jo as a refugee to live
B.
which place Jo loved to be in the refuge
C.
where Jo loved to be as a place to rest alone
D.
which sofa Jo loved to sit
【单选题】What's the meaning of " Juncture"?
A.
an event or moment that is critical
B.
connection
【单选题】What did Amy do to let Jo feel sorry for not taking her to the theater?
A.
She hid Jo's story notebook.
B.
She burned Jo's story notebook.
C.
She threw away Jo's story notebook.
D.
She sold Jo's story notebook.
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