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【单选题】
上海常被昵称为“东方明珠”。Shanghai is often nicknamed as “Oriental Pearl”.
A.
is often nicknamed as
B.
often is nicknamed as
C.
is often nicknameas
D.
often is nickname as
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】中科院上海药物研究验证香菊胶囊抗流感病毒的机制是（）
A.
抑制流感病毒的表面的神经氨酸酶
B.
激活流感病毒的表面的神经氨酸酶
C.
抑制流感病毒的表面的血凝素酶
D.
激活流感病毒的表面的血凝素
