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【简答题】
O 2 和 C0 2 通过红细胞膜的方式是 ;神经末梢释放递质的过程属于 。
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皮皮学刷刷变学霸
举一反三
【单选题】— I wonder if I ______ late for class, Mr. Li?— Ben, you are late again.
A.
have been
B.
am
C.
was
【单选题】(2)下列地理现象的成因与1自然带成因相同的是( )
A.
撒哈拉沙漠直逼非洲西海岸
B.
赤道附近的东非高原的热带草原带
C.
巴西高原东南部的热带雨林带
D.
南半球缺失苔原带和亚寒带针叶林带
【单选题】— Ben, Would you like to play football with us? — , but I have to wash the dishes first [ ]
A.
No, I can't
B.
I don't want to
C.
Yes, please
D.
I'd love to
【单选题】______, as long as I’m with nature, I don’t care.
A.
However tough is the journey
B.
Whatever tough is the journey
C.
However tough the journey is
D.
Whatever tough the journey is
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