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问题
判断题
新生儿的肾脏对酸、碱调节能力差，故易发生代谢性酸中毒。
答案
参考答案：对
选择题
At weekends in Nanjing, you can often see many people _____ outside some restaurants,_____ to have dinners.
A. sit; wait
B. seated; waiting
C. seating; waiting
D. sitting; wait
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单项选择题
阻塞性肺气肿患者胸廓呈（）
A.漏斗胸
B.鸡胸
C.桶状胸
D.扁平胸
E.一侧胸廓局限性膨隆
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