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【单选题】
On the wall______ two large portraits.A.
hangs
B.
hang
C.
hanged
D.
hanging
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反馈参考答案：
举一反三
【单选题】以下关于代谢性酸中毒的说法不正确的是
A.
呼吸加深加快
B.
常伴发高钾血症
C.
幽门梗阻病人易发生
D.
外科临床最常见的酸碱失衡类型
E.
重症病人常用5％碳酸氢钠溶液纠正
【简答题】气门的功用是控制进排气道的（）和（），它分为（）和（）两种。
【单选题】Which of the following statements is correct when you deliver a presentation?
A.
Hunch up and shuffle your feet.
B.
When you speak to a key point, you should make a pause.
C.
Speak in a monotone.
D.
Always look at your notes.
【单选题】Which of the following statements is correct when you deliver a presentation?
A.
When you speak to a key point, you should make a pause.
B.
Always look at your notes.
C.
Hunch up and shuffle your feet.
D.
Speak in a monotone.
【单选题】When you deliver the presentation, you should _____.
A.
give the audience amiable facial expressions
B.
keep your pitch and speed of your presentation
C.
mumble and avoid direct eye contacts with the audience
D.
speak quickly so as to finish the presentation efficiently
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