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【单选题】
成人心脏瓣膜病最常见的原因是（）A.
先天畸形
B.
风湿热
C.
细菌性心内膜炎
D.
主动脉夹层动脉瘤
E.
马方综合征
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举一反三
【简答题】listen to the audio again and fill in the blanks Mom: Okay, Angela and Brian. It’s time to make a schedule for ( 1 ). Angela and Brian: Oh, Mom! Mom: ( 2 ), come on. You two have to help out arou...
【单选题】—Why are you still here? It’s already seven o’clock. —Because I ________my work. Don’t worry. It’s almost done.
A.
wasn’t finishing
B.
wouldn’t finish
C.
haven’t finished
D.
won’t finish
【单选题】牛顿的科学研究对人类历史和人们日常生活产生了重大影响，主要原因是他（ ）。
A.
发现了浮力定律
B.
建立了完整的力学理论体系
C.
推翻了物种不变论
D.
创立了相对论
【判断题】阿基米德曾宣称:“给我一个支点,我就可以移动地球”。他为了证明他的断言,设计了一组复杂的滑轮装置,使叙拉古国王希罗一个人亲手移动了一艘巨大货轮。他还从“皇冠问题”中发现了浮力定律。 ( )
A.
正确
B.
错误
【简答题】Dialogue 2 --It’s going to be a great concert tonight. Are you______1_____ it? --Sorry, I can’t ____2______. --Excuse me? --Look, it’s not that I don’t feel like it...it’s parent’s evening tonight. Ha...
【多选题】A: Sally , are you free tomorrow evening? B: ( 1 ) . A: Why not go to the movies? B: ( 2 ) . I like seeing movies very much. A: ( 3 ) . B: Well, I like comedies because they are funny. What about you...
A.
That’s a good idea.
B.
Yes, I am.
C.
I’m afraid I have no time.
D.
How about half past seven?
E.
What kind of movies do you like?
F.
Where will we meet?
G.
Would you like to go to the movies with me?
【简答题】QRS波反映了( )激动。
【简答题】三、动词填空( 10% ) 1. —Is it time that we ______(go) to school? —Oh, it’s seven o’clock. Let’s go. 2. If I had worked harder at school, I _____ (sit) in a comfortable office now. 3. With his homework ____...
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