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【单选题】
表面活性剂的结构特点A.
含烃基的活性基团
B.
是高分子物质
C.
分子由亲水基和亲油基组成
D.
结构中含有氨基和羟基
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举一反三
【单选题】Chaucer?s poetry is plainly narrative and his language is now called________ .
A.
Middle English
B.
Old English
C.
Modern English
D.
New English
【简答题】根据三极管的结构,我们可以把三极管想象成( )个二极管同极相连而成。
【简答题】As one of America’s leading 20th-century poets and a four-time winner of the Pulitzer Prize, he wrote poems whose philosophical dimensions transcend any region. His poetry is thus both traditional and...
【单选题】如图所示，条形磁铁置于水平桌面上，电磁铁的右端固定，当电磁铁电路中滑动变阻器滑片向右移动时，条形磁铁仍保持静止，在此过程中，条形磁铁受到的摩擦力的方向和大小是 [ ]
A.
方向向左，逐渐增大
B.
方向向右，逐渐增大
C.
方向向左，逐渐减小
D.
方向向右，逐渐减小
【判断题】In "A Little Cloud", little Chandler's wistful sadness in his poetry is the essence of "Celtic Literature".
A.
正确
B.
错误
【单选题】During Ezra Pound’s later period, his poetry is more concerned about ________.( )
A.
the problems of the ancient culture
B.
the contemporary cultural decay and the possible sources of cultural renewal
C.
the familiar poetic subjects of the 19th century Romanticism
D.
the familiar poetic subjects of the beginning of the 20th century
【简答题】Choose the most appropriate answer by completing the sentences below or answering the questions. 1. His poetry is _______ with deep, religious feeling.
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