血清甲胎蛋白(AFP)>300μg/L对下列疾病最有诊断意义的是()。
A.转移性肝癌
B.脂肪肝
C.慢性活动性乙型肝炎
D.原发性肝癌
E.肝硬化
参考答案:D
The man who thought of ________a gas engine with wheels was the inventor of the automobiles.[ ]
A. comparing
B. combining
C. competing
D. connecting
“依法办矿、依法管理、依法治理安全是”,我国煤矿安全治理的基本思路。