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【多选题】
下列哪些成分常存在于新鲜植物中
A.
蒽醌
B.
萘醌
C.
菲醌
D.
蒽酮
E.
蒽酚
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参考答案:
举一反三
【简答题】My sister and I grew up in a little village in England. Our father was a struggling 1 , but I always knew he was 2 . He never criticized us, but used 3 to bring out our best. He’d say,” If you pout wa...
【简答题】FX2N-48MR输入继电器的地址编号为进制,从到A. 八B. X0C. X27
【多选题】大変有哪些词性
A.
名词
B.
副词
C.
形容词
D.
动词
【多选题】FX2N-48MR输入继电器的地址编号为 进制,从 到
A.
B.
X0
C.
X27
【简答题】I grew up in a small town. When I was in the third grade, I was chosen to be the in the school play. My mother helped me practice my lines for weeks. But once I stepped onto the stage, I was too nervo...
【判断题】模拟式万用表主要由测量机构(表头)、电子线路和转换开关三部分组成。
A.
正确
B.
错误
【简答题】As I grew up in a small town at the foot of a mountain, the visit to the village ______scenes of my childhood. A. called up      B. called for   C. called on      D. called in
【简答题】目前各国动车组列车一般采用哪些方式进行制动?
【简答题】FX2N-48MR的输入继电器的地址编号为()进制,从()到()。
【简答题】My sister and I grew up in a little village in England. Our father was a struggling 16 , but I always knew he was 17 . He never criticized us, but used 18 to bring out our best. He’d say, “If you pour...
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