灵敏度最低的隐血试验是
A. 邻甲苯胺法
B. 还原酚酞法
C. 联苯胺法
D. 匹拉米洞法
E. 愈创木酯法
He sat silent in the corner, (read) his favorite novel.
(see) the traffic light turn green, she quickly crossed the road.
(have) engaged in the research for many years, he is quite familiar with the topic.
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