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【单选题】
我国延续时间最长的官府菜是( )。A.
孔府菜
B.
C.
红楼菜
D.
随园菜
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举一反三
【单选题】The sign reads "In case of ___ fire break the glass and push ___ button".
A.
/;a
B.
/;the
C.
the;the
D.
a;a
【多选题】异烟肼具有的性质有( )
A.
吡啶环的γ位上可被酰肼基取代
B.
具有较强的还原性
C.
可以与氨制的硝酸银试液等氧化试剂反应
D.
可与某些羰基试剂发生缩合反应
E.
具有较强的氧化性
【单选题】— Must I take my umbrella? — No, you ______. It's not going to rain. [ ]
A.
mustn't
B.
needn't
C.
haven't to
D.
can't
【简答题】完形填空。 The best woman in the world is my mother; the sweetest sound in the world is Mum's voice. Each day when I get back from school, I see my mother 1 in the kitchen, tired but happy. I really want t...
【简答题】The sign reads "in ease of ______ fire, break the glass and push ______ red button" A) /, a B) /, the C) the, the D) a, a
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