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【单选题】
哪个选项是下面代码的输出结果? dict = {'a': 1, 'b': 2, 'b': '3'} print(dict['b'])A.
1
B.
2
C.
3
D.
{'b':2}
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【单选题】男性,56岁。间歇上腹部不适或饱胀已5年,纳不佳,伴有嗳气,腹胀,胃液分析,BAO 0.2mmol/h,MAO 0.5mol/h,胃粘膜活组织检查尿素酶实验阳性.该病人最可能的诊断是:
A.
非溃疡性消化不良
B.
胃溃疡
C.
慢性浅表性胃炎
D.
胃癌
E.
慢性萎缩性胃炎
【单选题】Her brother was good at playing basketball. He _________ it since he was ten.
A.
played
B.
had played
C.
was playing
D.
had been playing
【简答题】Olga is very good at languages. She ______ speak English, Russian, German, and French. She started learning languages when she was a child. Her parents spoke both Russian and English at home, so she a...
【单选题】The composer Wolfgang Amadeus Mozart’s remarkable musical talent was apparent even before most children can sing a simple nursery rhyme.Wolfgang’s older sister Maria Anna (who the family called Nanner...
A.
Mozart’s father,Leopold,was instrumental in shaping his career.
B.
Maria Anna was a talented musician in her own right.
C.
Wolfgang’s childhood was devoted to his musical career.
D.
Wolfgang preferred the violin to other instruments.
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