Her love for poetry began early. At the age of seven, she "began to put rhymes together", and when she was thirteen, one of her poems was published in a children's magazine. During her teens she contributed more than seventy-five poems to a Chicago newspaper. In 1941 she began to attend a class in writing poetry at the South Side Community Art Center, and several years later, her poems began to appear in Poetry and other magazines. Her first collection of poems. A Street in Bronzeville was published in 1945. Four years later, Annie Allen, her second collection of poems, appeared. In 1950, Annie Allen was awarded a Pulitzer prize for poetry. A novel, Maud Martha, about a young Black girl growing up in Chicago, published in 1953, was praised for its warmth and insights. In 1963, her Selected Poems appeared.
The main subject of the passage is Gwendolyn Brooks's ______.
A.personal background
B.literary achievements
C.hometown
D.childhood
第1题
酸性最弱的是
A.2-羟基蒽醌
B.1,5-二羟基葸醌
C.1,2-二羟基蒽醌
D.1,8-二羟基葸醌
E.大黄酸
第2题
能被5%NaHCO3,提出的是
A.2-羟基蒽醌
B.1,5-二羟基葸醌
C.1,2-二羟基蒽醌
D.1,8-二羟基葸醌
E.大黄酸
第3题
下列化合物中,酸性最强的是
A.α-羟基葸醌
B.1,5-二羟基蒽醌
C.2,6-二羟基蒽醌
D.β-羟基蒽醌
E.1,2-二羟基蒽醌
第4题
羟基蒽醌中,酸性最强的是
A.1-羟基蒽醌
B.2-羟基蒽醌
C.1,2-二羟基蒽醌
D.1,8-二羟基蒽醌
E.3,6-二羟基蒽酉昆
第5题
下列化合物中,酸性最强的是
A.α-羟基蒽醌
B.1,5-二羟基葸醌
C.2,6-二羟基葸醌
D.α-羟基蒽
E.1,2-二羟基蒽醌
第6题
下列酸性最强的蒽醌类是
A.1,6-二羟基蒽醌
B.1,4-二羟基蒽醌
C.2,7-二羟基蒽醌
D.1,8-二羟基蒽醌
E.1,2-二羟基蒽醌
第7题
IR光谱仅在1678~1592cm-1出现1个羰基峰的化合物是
A.1,4-二羟基蒽醌
B.1,8-二羟基葸醌
C.1-羟基葸醌
D.1,2-二羟基葸醌
E.1,3-二羟基葸醌
第8题
下列化合物中,酸性最强的是
A.α-羟基葸醌
B.1,5-二羟基葸醌
C.2,6-二羟基葸醌
D.α-羟基蒽
E.1,2-二羟基葸醌
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