统型应急电源的作用之一是把380V交流电转换成48V交流电向所有负载供电。
参考答案:错
根据汉语提示,写出单词的正确形式。
l. I like that red ______(毛衣).
2. The black______(短裤)are Sam's.
3. I like______(黄色)T-shirts.
4. He wants blue______(鞋).
5. Those pants are twelve______(美元).
6. The bags on______(销售)are fifteen yuan each.
7. My sister likes to go to that______(服装)store to buy clothes.
8. The boy in______(白色的)is his cousin.
9. They______(卖)the soccer balls for only¥40.
10. I want to______(买)some fruit.
患者男,70岁,腹部不适,乏力、食欲减退、消瘦半年。查体:一般情况可,皮肤黏膜略苍白,心、肺未见明显异常,腹平软,未触及肿块。腹部B超示:右肝前叶直径4cm低回声结节,周围有晕环,余未见异常。
该患者最有可能出现的异常肿瘤标志物为()。
A.CA19-9
B.AFP
C.PSA
D.CA125
E.CEA