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【多选题】
强心苷不宜用于室性心动过速的原因是：A.
延长心房不应期
B.
加强异位节律点的自律性
C.
缩短心室肌不应期
D.
有诱发心室颤动危险性
E.
缩短房室结的不应期
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【简答题】阅读理解。 When I was growing up, I had an old neighbor, Dr. Gibbs. He didn't look like any doctor I'd ever known. He never invited us to play in his yard, but he was a very kind person. When Dr. Gibbs was...
【简答题】When I was a child, I had an old neighbour named Dr. Gibbs. He didn’t look like any other doctor I’ve ever known. He never 11__ at us for playing in his yard. I remembered him as a kind and _12_ perso...
【简答题】完型填空。 When I was growing up, I had an old neighbor, Dr. Gibbs. He didn't look like any 1 I 2 . He never invited us to play in his yard,but he was a very 3 person. When Dr. Gibbs wasn't saving lives, h...
【单选题】He had to do an extra job after work, for he had a big family to ___________.
A.
support
B.
look at
C.
provide
D.
observe
【简答题】When I was growing up, I had an old neighbor, Dr. Gibbs. He didn't look like any doctor I'd ever known. He never invited us to play in his yard, but he was a very kind person. When Dr. Gibbs wasn't sa...
【简答题】In the car, I secretly had a look at him through the rearview mirror (后视镜). He looked sad. “What’s the matter, honey?”“I’m nervous. I don’t know if I’ll be able to learn everything in the first grade....
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