问题
选择题
The bike _____ be Adam's. Look! His bag is on it.[ ]
A. can
B. must
C. can't
D. mightn't
答案
答案：B
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The bike _____ be Adam's. Look! His bag is on it.[ ]
A. can
B. must
C. can't
D. mightn't
答案：B
(病例串型最佳选择题，1～3题共用题干)
| 男性，55岁，因食管痛术后致食管瘢痕狭窄，吞咽困难逐渐加重，近月来仅能进食少量流质，感口渴、乏力，有幻觉、谵妄，脉细速，血清钠浓度158mmol/L |
估计缺水量为体重的
A．＜1%
B．1～2%
C．3～4%
D．5～6%
E．＞6%