诊断原发性肝癌特异性最强的肿瘤标志物是()
A.γ-谷氨酰转移酶同工酶Ⅱ
B.酸性同Ⅰ铁蛋白
C.α-L-岩藻糖苷酶
D.甲胎蛋白
E.异常凝血酶原
参考答案:D
测量工作对顶进箱涵工作很重要,必须(),并做好记录。
A.每顶一镐测量一次高程
B.每顶一镐测量一次左右方向偏差
C.每顶一镐测量一次高程和左右方向偏差
D.每顶0.5m测量一次高程和左右方向偏差
根据句意及首字母提示补全单词,完成句子。
1. Sleeping late in the morning is an unhealthy l_______.
2. I've got a bad toothache. I want to see a d_______.
3. What do you t_______ of the transportation in our city?
4. I live next to the school. I w_______ to school every day.
5. If you walk there, it will take you twenty m_______.