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【单选题】
治疗心功能不,洋地黄化的临床意义在于A.
加强心肌收缩力
B.
减慢心率和传导
C.
维持心脏最有效的排血量
D.
加强利尿
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举一反三
【单选题】We our breakfast when an old man came to the door.
A.
just have had
B.
just had
C.
have just had
D.
had just had
【单选题】We had our breakfast ___ a quarter ___ seven.
A.
/ ， to
B.
in ， to
C.
at ， to
D.
on ， to
【单选题】We __our breakfast when an old man came in.
A.
just have had
B.
have just had
C.
just had
D.
had just had
【单选题】The old man said that it would be a miracle if David could catch some fish, because ______.
A.
He knew that there were no fish in the stream
B.
He did not think David was good at fishing
C.
He admired the young man’s great interest in fishing
D.
He did not like the way David talked to him
【单选题】We（）our breakfast when the pilot came on board.
A.
just have had
B.
just had
C.
have just had
D.
had just had
【单选题】The old man ____ on and on and attracted a large crowd.
A.
spoke
B.
talked
C.
said
D.
voiced
【单选题】Cathy was shocked to ______ the death of the old man, with whom she had talked the day before.
A.
learn about
B.
learn from
C.
learn off
D.
learn on
【单选题】they ______me a story about an old man living in the countryside.
A.
talked
B.
spoke
C.
told
D.
said
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