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【单选题】
My sister met him at the Grand Theater yesterday afternoon, so he ______ your lecture.A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
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举一反三
【单选题】My brother was still studying into the night while I was asleep. [ ]
A.
late; sound
B.
lately; wide
C.
deeply; far
D.
far; late
【简答题】While l was studying in Madrid, I visited a lot of museums. ( ) in Madrid, I visited a lot of museums.
【单选题】邓小平理论回答了( )这个首要的基本的理论问题。
A.
中国革命向何处去、中国革命的发展阶段
B.
什么是社会主义、怎样建设社会主义
C.
建设什么样的党、怎样建设党
D.
新形势下实现什么样的发展、怎样发展
【单选题】My sister was still studying ______ into the night while I was ______ asleep.
A.
late sound
B.
lately wide
C.
deeply far
D.
far far
【单选题】某一化学反应器中的A原料每小时进料500公斤，进冷却器的A原料每小时50公斤，该反应选择性为90%。反应的转化率、收率为()。
A.
90%，90%;
B.
95%，85%;
C.
90%，81%;
D.
85%，95%。
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