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【多选题】
心绞痛的发病与下列相关的有（）A.
由心脏急性暂时性缺血缺氧所致
B.
以阵发性胸骨后压迫性疼痛为特点
C.
疼痛常向左上肢放射
D.
疼痛可持续数十分钟
E.
疼痛与心肌内酸性代谢产物及多肽类物质堆积有关
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举一反三
【单选题】若一个有向图中的顶点不能排成一个拓扑序列，则可断定该有向图( )。
A.
含有多个入度为0的顶点
B.
是一棵树图
C.
含有顶点数目大于1的强连通分量
D.
是一个强连通图
【单选题】根据材料请回答 31～35 Here's a familiar version of the boy-meets-girl situation.A young man has at last plucked up courage to invite.a young lady to dinner.She has accepted his invitation.He is determined to ...
A.
On Fat
B.
We Should All Grow Fat and Be Happy
C.
Many Diseases Are Connected with Fat
D.
Diet Deprives People of Normal Life
【简答题】___ she is young, she knows quite a lot.
【简答题】Michel is a young girl who works for the police as a handwriting expert. She has helped 26 many criminals 27 using her special talents. When she was four, Michel was already so interested in the 2...
【简答题】It is his final aim to become a world as a tennis player. 32. When the sports star showed up at the gate of theairport, some of his young female got excited and started shouting. 33. Some tennis playe...
【简答题】阅读下面的短文，从每题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项 It is very important to stay healthy. I have a neighbor. She is an old lady. She can do all the housework, 31_ newspapers, watch TV and search on the Internet...
【简答题】Everyone would like to be a millionaire , a person with a lot of money, but can you imagine having over $30 million and only being 20 years old? Britney Spears from Kentwood, a small town in Louisiana...
【简答题】改错 31. She will phone her mother if she will have some difficulty. 32. When I came back, I saw a man to come in a big house. 33. I know the beautiful girl having on a red coat. 34. It ’ s too hot. Let...
【简答题】The hotel was in a 31 street and seemed to agree with one who 32 a good sleep after a tiring trip. The woman manager 33 me to my room. When I asked her about dinner, she said it was 34 at six and I ha...
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